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越境海芋
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中文学名:越境海芋
拉丁学名:Alocasia
acuminata Schott
界:植物界
门:被子植物门 Angiospermae
纲:单子叶植物纲 Monocotyledoneae
亚 纲:棕榈亚纲
目:天南星目 Arales
科:[[天南星科]] Araceae
族:磨芋族 Trib. Pythonieae
属:[[魔芋属]]
分布区域:分布于[[云南省]]
|}
'''越境海芋'''(yuè jìng hǎi yù，学名 '''Alocasia acuminata''' Schott)，草本，有球形块茎；叶为叉指状复叶，于花后抽出，阔大；花序高大，上部的为雄花，下部的为雌花；开时发出一种奇臭；佛焰苞大；肉穗花序内藏或突出顶有大的附属体；花单性，无花被；雄花有雄蕊1—3—6个；雌花：子房1—4室，胚珠单生；浆果肉质，有种子1—4颗。
<ref>[http://www.iplant.cn/info/Alocasia%20acuminata?t=foc 越境海芋], 植物智, 2020-01-18</ref>
==植物形态==
Herbs, terrestrial, small to medium sized, slightly robust, to 75 cm tall, evergreen.
Stem rhizomatous, generally elongate, erect, later decumbent, 8-75 × 2-6 cm. Leaves to 5 together, subtended by lanceolate papery-membranous cataphylls;
petiole bright green, 15-80 cm, glabrous, sheathing in proximal 1/4; leaf blade spreading, bright green, narrowly hastate-sagittate to ovate-hastate, 15-60 × 8-20 cm;
posterior lobes 1/4-1/3 length of anterior, peltate for 25-30% of their length, acute; anterior lobe with 3-6 primary lateral veins on each side, axillary glands hardly conspicuous, interprimary collective veins weakly defined.
Inflorescences usually solitary; peduncle green, 9-20 cm, subtended by cataphylls. Spathe 7-10 cm, moderately constricted 1.5-2.5 cm from base; proximal spathe green, ovoid;
limb pale green, lanceolate, canoe-shaped, 5.5-7.5 cm. Spadix subequaling spathe, 6-9.5 cm, sessile; female zone 1-1.5 cm; pistil green, subglobose, 1.5-2 mm in diam.;
stigma white, subsessile, very slightly lobed; sterile zone 7-10 mm, narrower than fertile zones; synandrodes narrowly rhombic-hexagonal, flat-topped; <ref>[http://www.iplant.cn/info/Alocasia%20acuminata?t=foc 越境海芋 Alocasia acuminata] 越境海芋(yuè jìng hǎi yù)PPBCCVHColDuocetCFHeFlorasEOLTPLIPNIBHLPOWOGBIFiDigBioBingBaiduAlocasia acuminata植物百科 名称分类 植物志 植物图片 植物标本 ... </ref>
male zone ivory, subcylindric, 1.2-2.5 cm × 4.5-8 mm; synandria 4-6-merous, ± hexagonal, ca. 2 mm in diam.; appendix white, 2.5-3.5 cm, demarcated from male zone by a strong constriction, narrowly conic. <ref>FOC >> Vol.23 (2010) >> Araceae >> Alocasia </ref>
Fruiting spathe green, ovoid, 3-4 cm. Fruit ripening orange-red, globose-ellipsoid, ca. 0.75 cm in diam.
==生境产地==
Everwet to seasonal perhumid evergreen forests, usually in deep shade, less often on track sides; 600-1800 m. S Yunnan [Bangladesh, NE India, N Laos, N Myanmar, Nepal, N Thailand, ?N Vietnam]. <ref>[http://www.efloras.org/browse.aspx?flora_id=2&start_taxon_id=101160 Alocasia] 250095401 Alocasia acuminata 越境海芋 FOC Vol. 23 200027137 Alocasia cucullata 尖尾芋 FOC Vol. 23 200027138 Alocasia hainanica 南海芋 FOC Vol. 23 250095402...</ref>
==魔芋属属内物种==
本章节的物种列表主要整理自于英国邱园植物名称检索名录（World Checklist of Selected Plant Families） 。部分物种名称前标注的星号（“*”）表示该名称在中国植物志中有记载，但经过后来的修订，可能已经降为异名或名称位置未定；现接受名及出处见括号内文字及参考资料。<ref>Govaerts, R. & Frodin, D.G.．World Checklist and Bibliography of Araceae (and Acoraceae)：The Board of Trustees of the Royal Botanic Gardens, Kew，1995：1-560 </ref>
Amorphophallus aberrans Hett.
Amorphophallus abyssinicus (A. Rich.) N.E. Br.
Amorphophallus adamsensis L.M.Magtoto, D.G.Mones, K.A.Ballada, C.M.Austria, R.M.Dizon, W.V.Alangui, A.A.Reginaldo, W.M.Galvan, K.T.Dizon & Het
Amorphophallus albispathus Hett.
Amorphophallus albus P.Y.Liu & J.F.Chen 白蘑芋
Amorphophallus amygdaloides Hett. & Sizemore
Amorphophallus andranogidroensis Hett. & Mangelsdorff
Amorphophallus angolensis (Welw. ex Schott) N.E. Br.
Amorphophallus angulatus Hett. & A.Vogel
Amorphophallus angustispathus Hett.
Amorphophallus ankarana Hett., Ittenbach & Bogner
Amorphophallus annulifer Hett.
Amorphophallus antsingyensis Bogner, Hett. & Ittenbach
Amorphophallus aphyllus (Hook.) Hutch.
Amorphophallus arcuspadix A.Galloway, Ongsakul & Petra Schmidt
Amorphophallus asper (Engl.) Engl. & Gehrm.
Amorphophallus asterostigmatus Bogner & Hett.
Amorphophallus atrorubens Hett. & Sizemore
Amorphophallus atroviridis Hett.
Amorphophallus bangkokensis Gagnep. 天心壶（*该物种名称在中国植物志中写作“A. bankokensis Gagn.”；Flora of China将此物种修订为疣柄魔芋A. paeoniifolius的异名）
Amorphophallus barbatus A.Galloway & Ongsakul
Amorphophallus barthlottii Ittenb. & Lobin
Amorphophallus baumannii (Engl.) N.E. Br.
Amorphophallus beccarii Engl.
Amorphophallus bequaertii De Wild.
Amorphophallus bhandarensis S.R.Yadav, Kahalkar & Bhuskute
Amorphophallus bognerianus Sivad. & Jaleel
Amorphophallus bolikhamxayensis A.Galloway, Ongsakul & Petra Schmidt
Amorphophallus bonaccordensis Sivad. & N.Mohanan
Amorphophallus borneensis (Engl.) Engl. & Gehrm.
Amorphophallus boyceanus Hett.
Amorphophallus brachyphyllus Hett.
Amorphophallus brevipetiolatus A.Galloway, Ongsakul & Petra Schmidt
Amorphophallus brevispathus Gagnep.
Amorphophallus bubenensis J.T.Yin & Hett.
Amorphophallus bufo Ridl.
Amorphophallus bulbifer (Roxb.) Blume 珠芽魔芋
Amorphophallus calabaricus N.E. Br.
Amorphophallus canaliculatus Ittenb.
Amorphophallus carneus Ridl.
Amorphophallus chlorospathus Kurz ex Hook.f.
Amorphophallus cicatricifer Hett.
Amorphophallus cirrifer Stapf
Amorphophallus claudelii A.Galloway & Ongsakul
Amorphophallus coaetaneus S.Y.Liu & S.J.Wei 桂平蘑芋
Amorphophallus commutatus (Schott) Engl.
Amorphophallus consimilis Blume
Amorphophallus corrugatus N.E.Br. 田阳蘑芋
Amorphophallus costatus Hett.
Amorphophallus coudercii (Bogner) Bogner
Amorphophallus crispifolius A.Galloway, Ongsakul & Petra Schmidt
Amorphophallus croatii Hett. & A.Galloway
Amorphophallus cruddasianus Prain
Amorphophallus curvistylis Hett.
Amorphophallus dactylifer Hett.
Amorphophallus declinatus Hett.
Amorphophallus decus-silvae Backer & Alderw.
Amorphophallus discophorus Backer & Alderw.
Amorphophallus dracontioides (Engl.) N.E.Br.
Amorphophallus dunnii Tutcher 南蛇棒
Amorphophallus dzui Hett.
Amorphophallus eburneus Bogner
Amorphophallus echinatus Bogner & Mayo
Amorphophallus eichleri (Engl.) Hook.f.
Amorphophallus elatus Hook.f.
Amorphophallus elegans Ridl.
Amorphophallus elliottii Hook.f.
Amorphophallus erythrororrhachis Hett.
Amorphophallus excentricus Hett.
Amorphophallus fallax (Serebryanyi) Hett. & Claudel
Amorphophallus ferruginosus A.Galloway
Amorphophallus flotoi (S.Y.Hu) ined.
Amorphophallus forbesii (Engl.) Engl. & Gehrm.
Amorphophallus fuscus Hett.
Amorphophallus galbra F.M.Bailey
Amorphophallus gallaensis (Engl.) N.E.Br.
Amorphophallus gallowayi Hett.
*Amorphophallus gigantiflorus Hayata 大磨芋（现接受名：A. paeoniifolius，疣柄磨芋 [4-5] ）
Amorphophallus gigas Teijsm. & Binn.
Amorphophallus glaucophyllus Hett. & Serebryanyi
Amorphophallus gliruroides Engl.
Amorphophallus glossophyllus Hett.
Amorphophallus goetzei (Engl.) N.E.Br.
Amorphophallus gomboczianus Pic.Serm.
Amorphophallus gracilior Hutch.
Amorphophallus gracilis Engl.
Amorphophallus haematospadix Hook.f.
Amorphophallus harmandii Engl. & Gehrm
Amorphophallus hayi Hett. 红河蘑芋
Amorphophallus hemicryptus Hett. & J.F.Maxwell
Amorphophallus henryi N.E.Br., J. Linn. Soc. 台湾磨芋
Amorphophallus hetterscheidii Ittenb. & Lobin
Amorphophallus hewittii Alderw.
Amorphophallus hildebrandtii (Engl.) Engl. & Gehrm.
Amorphophallus hirsutus Teijsm. & Binn.
Amorphophallus hirtus N.E.Br., J. Linn. Soc. 硬毛磨芋
Amorphophallus hohenackeri (Schott) Engl. & Gehrm.
Amorphophallus hottae Bogner & Hett.
Amorphophallus impressus Ittenb.
Amorphophallus incurvatus Alderw.
Amorphophallus infundibuliformis Hett.
Amorphophallus interruptus Engl. & Gehrm.
Amorphophallus johnsonii N.E.Br.
Amorphophallus josefbogneri Hett.
Amorphophallus julaihii Ipor, Tawan & P.C.Boyce
Amorphophallus juliae P.C.Boyce & Hett.
Amorphophallus kachinensis Engl. & Gehrm. 勐海蘑芋
Amorphophallus khammouanensis A.Galloway
Amorphophallus kienluongensis V.D.Nguyen, Luu & Hett.
Amorphophallus kiusianus (Makino) Makino 东亚蘑芋
Amorphophallus konjac K.Koch 花蘑芋
Amorphophallus konkanensis Hett.
Amorphophallus koratensis Gagnep.
Amorphophallus krausei Engl. 西盟蘑芋
Amorphophallus kuznetsovii (Serebryanyi) Hett. & Claudel
Amorphophallus lacourii Linden & André
Amorphophallus lambii Mayo & Widjaja
Amorphophallus lanceolatus (Serebryanyi) Hett. & Claudel,
Amorphophallus lanuginosus Hett.
Amorphophallus laoticus Hett.
Amorphophallus lewallei Malaisse & Bamps
Amorphophallus linearis Gagnep.
Amorphophallus linguiformis Hett.
Amorphophallus longicomus Hett. & Serebryanyi
Amorphophallus longiconnectivus Bogner
Amorphophallus longispathaceus Engl. & Gehrm.
Amorphophallus longistylus Kurz ex Hook.f.
Amorphophallus longituberosus (Engl.) Engl. & Gehrm.
Amorphophallus lunatus Hett. & Sizemore
Amorphophallus luzoniensis Merr.
Amorphophallus lyratus (Roxb.) Kunth
Amorphophallus macrophyllus (Gagnep. ex Serebryanyi) Hett. & Claudel
Amorphophallus macrorhizus Craib
*Amorphophallus mairei H.Lév. 东川磨芋 （现接受名：Amorphophallus konjac ，花蘑芋）
Amorphophallus mangelsdorffii Bogner
Amorphophallus manta Hett. & Ittenbach
Amorphophallus margaritifer (Roxb.) Kunth
Amorphophallus margretae Ittenb.
Amorphophallus maximus (Engl.) N.E.Br.
Amorphophallus maxwellii Hett.
Amorphophallus mekongensis Engl. & Gehrm. 湄公磨芋
*Amorphophallus mellii Engl. 蛇枪头 （现接受名：A. dunnii，南蛇棒 ）
Amorphophallus merrillii K.Krause
*Amorphophallus microappendiculatus Engl. 灰斑磨芋 （现接受名：A. paeoniifolius， 疣柄磨芋）
Amorphophallus mildbraedii K.Krause
Amorphophallus minor Ridl.
Amorphophallus mossambicensis (Schott ex Garcke) N.E.Br.
Amorphophallus muelleri Blume
Amorphophallus mullendersii Malaisse & Bamps
Amorphophallus myosuroides Hett. & A.Galloway
Amorphophallus mysorensis E.Barnes & C.E.C.Fisch.
Amorphophallus napalensis (Wall.) Bogner & Mayo
Amorphophallus napiger Gagnep.
Amorphophallus natolii Hett., Wistuba, V.B.Amoroso, Medecilo & Claudel
Amorphophallus niahensis P.C.Boyce & Hett.
Amorphophallus nicolaii Hett.
Amorphophallus nicolsonianus Sivadasan
*Amorphophallus niimurai Yamam. 白毛磨芋 （现接受名：A. henryi，台湾磨芋；种加词亦拼作“niimurae” ）
Amorphophallus obovoideus Alderw.
Amorphophallus obscurus Hett. & Sizemore
Amorphophallus ochroleucus Hett. & V.D.Nguyen
*Amorphophallus oncophyllus Prain ex Hook.f. 香港磨芋 （现接受名：A. muelleri ，弥勒魔芋 /缅甸魔芋 ）
Amorphophallus ongsakulii Hett. & A.Galloway
Amorphophallus operculatus Hett. & Sizemore
Amorphophallus opertus Hett.
Amorphophallus paeoniifolius (Dennst.) Nicolson
Amorphophallus palawanensis Bogner & Hett.
Amorphophallus paucisectus Alderw.
Amorphophallus pendulus Bogner & Mayo
Amorphophallus perakensis Engl.
Amorphophallus perrieri Hett. & Wahlert
Amorphophallus pilosus Hett.
Amorphophallus plicatus Bok & H.J.Lam
Amorphophallus polyanthus Hett. & Sizemore
Amorphophallus prainii Hook.f.
Amorphophallus preussii (Engl.) N.E.Br. in D.Oliver & auct. suc. (eds.)
Amorphophallus prolificus Hett. & A.Galloway
Amorphophallus pulchellus Hett. & Schuit.
Amorphophallus purpurascens Kurz ex Hook.f.
Amorphophallus pusillus Hett. & Serebryanyi
Amorphophallus putii Gagnep.
Amorphophallus pygmaeus Hett.
Amorphophallus ranchanensis Ipor, A.Simon & Meekiong
Amorphophallus reflexus Hett. & A.Galloway
Amorphophallus rhizomatosus Hett.
Amorphophallus richardsiae Ittenb.
*Amorphophallus rivierei Durand ex Carrière 磨芋 （现接受名：A. konjac，花蘑芋 ；种加词亦拼作“rivieri” [12-14] ）
Amorphophallus rostratus Hett.
Amorphophallus rugosus Hett. & A.L.Lamb
Amorphophallus sagittarius Steenis
Amorphophallus salmoneus Hett.
Amorphophallus saraburensis Gagnep.
Amorphophallus saururus Hett.
Amorphophallus scaber Serebryanyi & Hett.
Amorphophallus schmidtiae Hett. & A.Galloway
Amorphophallus scutatus Hett. & T.C.Chapm.
Amorphophallus serrulatus Hett. & A.Galloway
Amorphophallus shyamsalilianus J.V.Gadpay.
*Amorphophallus sinensis Belval 疏毛磨芋 （现接受名：A. kiusianus，东亚蘑芋 ）
Amorphophallus sinuatus Hett. & V.D.Nguyen
Amorphophallus sizemoreae Hett.
Amorphophallus smithsonianus Sivadasan
Amorphophallus sparsiflorus Hook.f.
Amorphophallus spectabilis (Miq.) Engl. in A.L.P.de Candolle & A.C.P.de Candolle
Amorphophallus staudtii (Engl.) N.E.Br. in D.Oliver & auct. suc. (eds.)
*Amorphophallus stipitatus Engl.梗序磨芋 （名称位置未定 ）
Amorphophallus stuhlmannii (Engl.) Engl. & Gehrm. in H.G.A.Engler, Pflanzenr.
Amorphophallus subcymbiformis Alderw.
Amorphophallus sumawongii (Bogner) Bogner & Mayo
Amorphophallus suwidjianus Ipor, Tawan & Meekiong
Amorphophallus sylvaticus (Roxb.) Kunth
Amorphophallus symonianus Hett. & Sizemore
Amorphophallus synandrifer Hett. & V.D.Nguyen
Amorphophallus taurostigma Ittenb.
Amorphophallus tenuispadix Hett.
Amorphophallus tenuistylis Hett.
Amorphophallus terrestris Hett. & Claudel
Amorphophallus teuszii (Engl.) Mottet
Amorphophallus thaiensis (S.Y.Hu) Hett.
Amorphophallus tinekeae Hett. & A.Vogel
Amorphophallus titanum (Becc.) Becc.
Amorphophallus tonkinensis Engl. & Gehrm. in H.G.A.Engler 东京蘑芋
Amorphophallus tuberculatus Hett. & V.D.Nguyen
Amorphophallus variabilis Blume 野磨芋
Amorphophallus venustus Hett.
Amorphophallus verticillatus Hett.
*Amorphophallus virosus N.E.Br. 疣柄磨芋 （现接受名：A. paeoniifolius，疣柄磨芋 ；拉丁文名改变，中文名未变）
Amorphophallus vogelianus Hett. & Billensteiner
Amorphophallus xiei H.Li & Z.L.Dao 谢君蘑芋
Amorphophallus yuloensis H.Li 攸乐蘑芋
Amorphophallus yunnanensis Engl. 滇磨芋
Amorphophallus zenkeri (Engl.) N.E.Br. in D.Oliver & auct. suc. (eds.)
==魔芋属检索表==
魔芋属 1肉穗花序长圆锥形，伸出佛焰苞外，比佛焰苞远长或近等长；花序柄伸长。(2)
1肉穗花序粗短，长度短于或等于佛焰苞。(8)
2附属器多少被毛，柱头、2浅裂，子房2室。(3)毛磨芋组
2附属器无毛。(5)磨芋组
3子房花柱缺；附属器散生长约10毫米的紫色硬毛，长14-16厘米；佛焰苞檐部卵状长圆形，边缘波状，外面淡绿色具白色斑块。疏毛磨芋
3子房有明显的花柱（长1-3毫米）。(4)
4附属器密被紫色硬毛，长32厘米；佛焰苞檐部卵形，绿色。硬毛磨芋
4附属器疏被白色的毛，长25厘米；佛焰苞檐部宽心形，苍白色，内面紫色。白毛磨芋
5柱头全缘，头状，花柱短于子房，附属器长12-31厘米。佛焰苞深紫色。台湾磨芋
5柱头多少分裂。(6)
6花柱短于子房；佛焰苞外面具斑块，边缘玫红色，内面白色。野磨芋
6花柱长度等于或长于子房。(7)
7花柱长于子房；佛焰苞不具斑块。东川磨芋
7花柱与子房等长，长约2毫米；佛焰苞浅绿色，具暗绿色斑块，边缘内面紫红色。磨芋
8附属器短圆锥状，长宽几相等；花柱比子房长，柱头深裂。(9)短柄组
8附属器多少伸长，长度胜于宽度，圆锥形至卵状圆锥形。(12)磨芋组
9佛焰苞中部收缩；中部以上斜钟形，灰绿色，具淡灰色斑块；附属器小，圆锥状，长1.5厘米，基部粗1.2厘米，黄色，叶柄具疣粗糙。灰斑磨芋
9佛焰苞钟状扩展，中部不收缩；附属器肥大，高5厘米以上。(10)
10花序柄及叶柄光滑，玫红色；佛焰苞绿色，边缘褐色；附属器近球形，高5厘米，顶部扁平。天心壶
10花序柄及叶柄具疣或皱纹。(11)
11佛焰苞外面绿色，具紫色条纹和绿白色斑块；附属器圆锥形，青紫色，长7-12厘米，基部直径与长度几相等；柱头2裂。疣柄磨芋
11佛焰苞外面淡绿带紫色，有白色圆形斑块，中部以上紫色；附属器圆锥状扁球形，长6厘米，径19-20厘米，深紫色；柱头3裂。大磨芋
12叶柄顶头无珠芽。(13)
12叶柄顶头及叶片1次裂片近基部有珠芽；肉穗花序长于佛焰苞。(17)
13子房无花柱，柱头全缘；肉穗花序无梗，附属器钝圆锥状，长（2.2-）4.5厘米，粗1.2厘米。湄公磨芋
13花柱明显，肉穗花序多少具梗。(14)
14佛焰苞长度等于或短于肉穗花序；附属器细长，长圆锥形或长纺锤形，长5.5-8厘米，粗0.7-1.4厘米。蛇枪头
14佛焰苞长于肉穗花序。(15)
15肉穗花序具长达2厘米的梗；佛焰苞长圆形，长12厘米，宽4-4.5厘米，苍白色；圆锥状附属器长5厘米，粗1.25厘米，苍白色。梗序磨芋
15肉穗花序梗长在1.3厘米以下，有时近无梗；佛焰苞绿色，纸质或膜质。(16)
16附属器粗短，近圆柱形或三角状卵圆形，长3.8-5.0厘米，宽1.6-2.5厘米。滇磨芋
16附属器长大，长圆锥形或纺锤形，长4.5-14厘米，中下部粗1.5-6厘米，绿色黄白色。南蛇棒
17佛焰苞绿色、绿白色，具桔红色斑块；附属器金黄色，长圆锥形，长9厘米。香港磨芋
17佛焰苞外面粉红带绿色，内面下部红色，上部黄绿色；附属器绿色，圆锥形，长5-8厘米，粗2-2.5厘米。珠芽磨芋
==魔芋属主要价值==
本属一些植物块茎可加工成磨芋豆腐（又称褐腐）供疏食。如磨芋干片含淀粉42.05%，淀粉的膨胀力可大至80-100倍，粘着力强，可用作浆纱、造纸、瓷器或建筑等的胶粘剂。
块茎入药能[[解毒消肿]]，灸后健胃，消饱胀。治流火、疔疮、无名肿毒、瘰疬、[[眼睛蛇]]咬伤、烫火伤、间日疟、乳痈、腹中痞块、疔癀高烧、[[疝气]]等。全株有毒，以块茎为最，中毒后舌、喉灼热、痒痛、肿大。民间用醋加姜汁少许，内服或含嗽，可以解救。亦有些具有观赏价值。
== 参考来源 ==
{{reflist}}
[[Category:370 植物學總論]]
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| style="background: #008080" align= center| '''<big>越境海芋</big> '''
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|[[File:南海芋3.jpg|缩略图|居中|250px|[http://img1.iplant.cn/gotoimg/236/EFE5E23A36DDD6B6.jpg 原图链接] [http://www.iplant.cn/info/%E5%8D%97%E6%B5%B7%E8%8A%8B?t=p 来自植物智]]]
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中文学名:越境海芋
拉丁学名:Alocasia
acuminata Schott
界:植物界
门:被子植物门 Angiospermae
纲:单子叶植物纲 Monocotyledoneae
亚 纲:棕榈亚纲
目:天南星目 Arales
科:[[天南星科]] Araceae
族:磨芋族 Trib. Pythonieae
属:[[魔芋属]]
分布区域:分布于[[云南省]]
|}
'''越境海芋'''(yuè jìng hǎi yù，学名 '''Alocasia acuminata''' Schott)，草本，有球形块茎；叶为叉指状复叶，于花后抽出，阔大；花序高大，上部的为雄花，下部的为雌花；开时发出一种奇臭；佛焰苞大；肉穗花序内藏或突出顶有大的附属体；花单性，无花被；雄花有雄蕊1—3—6个；雌花：子房1—4室，胚珠单生；浆果肉质，有种子1—4颗。
<ref>[http://www.iplant.cn/info/Alocasia%20acuminata?t=foc 越境海芋], 植物智, 2020-01-18</ref>
==植物形态==
Herbs, terrestrial, small to medium sized, slightly robust, to 75 cm tall, evergreen.
Stem rhizomatous, generally elongate, erect, later decumbent, 8-75 × 2-6 cm. Leaves to 5 together, subtended by lanceolate papery-membranous cataphylls;
petiole bright green, 15-80 cm, glabrous, sheathing in proximal 1/4; leaf blade spreading, bright green, narrowly hastate-sagittate to ovate-hastate, 15-60 × 8-20 cm;
posterior lobes 1/4-1/3 length of anterior, peltate for 25-30% of their length, acute; anterior lobe with 3-6 primary lateral veins on each side, axillary glands hardly conspicuous, interprimary collective veins weakly defined.
Inflorescences usually solitary; peduncle green, 9-20 cm, subtended by cataphylls. Spathe 7-10 cm, moderately constricted 1.5-2.5 cm from base; proximal spathe green, ovoid;
limb pale green, lanceolate, canoe-shaped, 5.5-7.5 cm. Spadix subequaling spathe, 6-9.5 cm, sessile; female zone 1-1.5 cm; pistil green, subglobose, 1.5-2 mm in diam.;
stigma white, subsessile, very slightly lobed; sterile zone 7-10 mm, narrower than fertile zones; synandrodes narrowly rhombic-hexagonal, flat-topped; <ref>[http://www.iplant.cn/info/Alocasia%20acuminata?t=foc 越境海芋 Alocasia acuminata] 越境海芋(yuè jìng hǎi yù)PPBCCVHColDuocetCFHeFlorasEOLTPLIPNIBHLPOWOGBIFiDigBioBingBaiduAlocasia acuminata植物百科 名称分类 植物志 植物图片 植物标本 ... </ref>
male zone ivory, subcylindric, 1.2-2.5 cm × 4.5-8 mm; synandria 4-6-merous, ± hexagonal, ca. 2 mm in diam.; appendix white, 2.5-3.5 cm, demarcated from male zone by a strong constriction, narrowly conic. <ref>FOC >> Vol.23 (2010) >> Araceae >> Alocasia </ref>
Fruiting spathe green, ovoid, 3-4 cm. Fruit ripening orange-red, globose-ellipsoid, ca. 0.75 cm in diam.
==生境产地==
Everwet to seasonal perhumid evergreen forests, usually in deep shade, less often on track sides; 600-1800 m. S Yunnan [Bangladesh, NE India, N Laos, N Myanmar, Nepal, N Thailand, ?N Vietnam]. <ref>[http://www.efloras.org/browse.aspx?flora_id=2&start_taxon_id=101160 Alocasia] 250095401 Alocasia acuminata 越境海芋 FOC Vol. 23 200027137 Alocasia cucullata 尖尾芋 FOC Vol. 23 200027138 Alocasia hainanica 南海芋 FOC Vol. 23 250095402...</ref>
==魔芋属属内物种==
本章节的物种列表主要整理自于英国邱园植物名称检索名录（World Checklist of Selected Plant Families） 。部分物种名称前标注的星号（“*”）表示该名称在中国植物志中有记载，但经过后来的修订，可能已经降为异名或名称位置未定；现接受名及出处见括号内文字及参考资料。<ref>Govaerts, R. & Frodin, D.G.．World Checklist and Bibliography of Araceae (and Acoraceae)：The Board of Trustees of the Royal Botanic Gardens, Kew，1995：1-560 </ref>
Amorphophallus aberrans Hett.
Amorphophallus abyssinicus (A. Rich.) N.E. Br.
Amorphophallus adamsensis L.M.Magtoto, D.G.Mones, K.A.Ballada, C.M.Austria, R.M.Dizon, W.V.Alangui, A.A.Reginaldo, W.M.Galvan, K.T.Dizon & Het
Amorphophallus albispathus Hett.
Amorphophallus albus P.Y.Liu & J.F.Chen 白蘑芋
Amorphophallus amygdaloides Hett. & Sizemore
Amorphophallus andranogidroensis Hett. & Mangelsdorff
Amorphophallus angolensis (Welw. ex Schott) N.E. Br.
Amorphophallus angulatus Hett. & A.Vogel
Amorphophallus angustispathus Hett.
Amorphophallus ankarana Hett., Ittenbach & Bogner
Amorphophallus annulifer Hett.
Amorphophallus antsingyensis Bogner, Hett. & Ittenbach
Amorphophallus aphyllus (Hook.) Hutch.
Amorphophallus arcuspadix A.Galloway, Ongsakul & Petra Schmidt
Amorphophallus asper (Engl.) Engl. & Gehrm.
Amorphophallus asterostigmatus Bogner & Hett.
Amorphophallus atrorubens Hett. & Sizemore
Amorphophallus atroviridis Hett.
Amorphophallus bangkokensis Gagnep. 天心壶（*该物种名称在中国植物志中写作“A. bankokensis Gagn.”；Flora of China将此物种修订为疣柄魔芋A. paeoniifolius的异名）
Amorphophallus barbatus A.Galloway & Ongsakul
Amorphophallus barthlottii Ittenb. & Lobin
Amorphophallus baumannii (Engl.) N.E. Br.
Amorphophallus beccarii Engl.
Amorphophallus bequaertii De Wild.
Amorphophallus bhandarensis S.R.Yadav, Kahalkar & Bhuskute
Amorphophallus bognerianus Sivad. & Jaleel
Amorphophallus bolikhamxayensis A.Galloway, Ongsakul & Petra Schmidt
Amorphophallus bonaccordensis Sivad. & N.Mohanan
Amorphophallus borneensis (Engl.) Engl. & Gehrm.
Amorphophallus boyceanus Hett.
Amorphophallus brachyphyllus Hett.
Amorphophallus brevipetiolatus A.Galloway, Ongsakul & Petra Schmidt
Amorphophallus brevispathus Gagnep.
Amorphophallus bubenensis J.T.Yin & Hett.
Amorphophallus bufo Ridl.
Amorphophallus bulbifer (Roxb.) Blume 珠芽魔芋
Amorphophallus calabaricus N.E. Br.
Amorphophallus canaliculatus Ittenb.
Amorphophallus carneus Ridl.
Amorphophallus chlorospathus Kurz ex Hook.f.
Amorphophallus cicatricifer Hett.
Amorphophallus cirrifer Stapf
Amorphophallus claudelii A.Galloway & Ongsakul
Amorphophallus coaetaneus S.Y.Liu & S.J.Wei 桂平蘑芋
Amorphophallus commutatus (Schott) Engl.
Amorphophallus consimilis Blume
Amorphophallus corrugatus N.E.Br. 田阳蘑芋
Amorphophallus costatus Hett.
Amorphophallus coudercii (Bogner) Bogner
Amorphophallus crispifolius A.Galloway, Ongsakul & Petra Schmidt
Amorphophallus croatii Hett. & A.Galloway
Amorphophallus cruddasianus Prain
Amorphophallus curvistylis Hett.
Amorphophallus dactylifer Hett.
Amorphophallus declinatus Hett.
Amorphophallus decus-silvae Backer & Alderw.
Amorphophallus discophorus Backer & Alderw.
Amorphophallus dracontioides (Engl.) N.E.Br.
Amorphophallus dunnii Tutcher 南蛇棒
Amorphophallus dzui Hett.
Amorphophallus eburneus Bogner
Amorphophallus echinatus Bogner & Mayo
Amorphophallus eichleri (Engl.) Hook.f.
Amorphophallus elatus Hook.f.
Amorphophallus elegans Ridl.
Amorphophallus elliottii Hook.f.
Amorphophallus erythrororrhachis Hett.
Amorphophallus excentricus Hett.
Amorphophallus fallax (Serebryanyi) Hett. & Claudel
Amorphophallus ferruginosus A.Galloway
Amorphophallus flotoi (S.Y.Hu) ined.
Amorphophallus forbesii (Engl.) Engl. & Gehrm.
Amorphophallus fuscus Hett.
Amorphophallus galbra F.M.Bailey
Amorphophallus gallaensis (Engl.) N.E.Br.
Amorphophallus gallowayi Hett.
*Amorphophallus gigantiflorus Hayata 大磨芋（现接受名：A. paeoniifolius，疣柄磨芋 [4-5] ）
Amorphophallus gigas Teijsm. & Binn.
Amorphophallus glaucophyllus Hett. & Serebryanyi
Amorphophallus gliruroides Engl.
Amorphophallus glossophyllus Hett.
Amorphophallus goetzei (Engl.) N.E.Br.
Amorphophallus gomboczianus Pic.Serm.
Amorphophallus gracilior Hutch.
Amorphophallus gracilis Engl.
Amorphophallus haematospadix Hook.f.
Amorphophallus harmandii Engl. & Gehrm
Amorphophallus hayi Hett. 红河蘑芋
Amorphophallus hemicryptus Hett. & J.F.Maxwell
Amorphophallus henryi N.E.Br., J. Linn. Soc. 台湾磨芋
Amorphophallus hetterscheidii Ittenb. & Lobin
Amorphophallus hewittii Alderw.
Amorphophallus hildebrandtii (Engl.) Engl. & Gehrm.
Amorphophallus hirsutus Teijsm. & Binn.
Amorphophallus hirtus N.E.Br., J. Linn. Soc. 硬毛磨芋
Amorphophallus hohenackeri (Schott) Engl. & Gehrm.
Amorphophallus hottae Bogner & Hett.
Amorphophallus impressus Ittenb.
Amorphophallus incurvatus Alderw.
Amorphophallus infundibuliformis Hett.
Amorphophallus interruptus Engl. & Gehrm.
Amorphophallus johnsonii N.E.Br.
Amorphophallus josefbogneri Hett.
Amorphophallus julaihii Ipor, Tawan & P.C.Boyce
Amorphophallus juliae P.C.Boyce & Hett.
Amorphophallus kachinensis Engl. & Gehrm. 勐海蘑芋
Amorphophallus khammouanensis A.Galloway
Amorphophallus kienluongensis V.D.Nguyen, Luu & Hett.
Amorphophallus kiusianus (Makino) Makino 东亚蘑芋
Amorphophallus konjac K.Koch 花蘑芋
Amorphophallus konkanensis Hett.
Amorphophallus koratensis Gagnep.
Amorphophallus krausei Engl. 西盟蘑芋
Amorphophallus kuznetsovii (Serebryanyi) Hett. & Claudel
Amorphophallus lacourii Linden & André
Amorphophallus lambii Mayo & Widjaja
Amorphophallus lanceolatus (Serebryanyi) Hett. & Claudel,
Amorphophallus lanuginosus Hett.
Amorphophallus laoticus Hett.
Amorphophallus lewallei Malaisse & Bamps
Amorphophallus linearis Gagnep.
Amorphophallus linguiformis Hett.
Amorphophallus longicomus Hett. & Serebryanyi
Amorphophallus longiconnectivus Bogner
Amorphophallus longispathaceus Engl. & Gehrm.
Amorphophallus longistylus Kurz ex Hook.f.
Amorphophallus longituberosus (Engl.) Engl. & Gehrm.
Amorphophallus lunatus Hett. & Sizemore
Amorphophallus luzoniensis Merr.
Amorphophallus lyratus (Roxb.) Kunth
Amorphophallus macrophyllus (Gagnep. ex Serebryanyi) Hett. & Claudel
Amorphophallus macrorhizus Craib
*Amorphophallus mairei H.Lév. 东川磨芋 （现接受名：Amorphophallus konjac ，花蘑芋）
Amorphophallus mangelsdorffii Bogner
Amorphophallus manta Hett. & Ittenbach
Amorphophallus margaritifer (Roxb.) Kunth
Amorphophallus margretae Ittenb.
Amorphophallus maximus (Engl.) N.E.Br.
Amorphophallus maxwellii Hett.
Amorphophallus mekongensis Engl. & Gehrm. 湄公磨芋
*Amorphophallus mellii Engl. 蛇枪头 （现接受名：A. dunnii，南蛇棒 ）
Amorphophallus merrillii K.Krause
*Amorphophallus microappendiculatus Engl. 灰斑磨芋 （现接受名：A. paeoniifolius， 疣柄磨芋）
Amorphophallus mildbraedii K.Krause
Amorphophallus minor Ridl.
Amorphophallus mossambicensis (Schott ex Garcke) N.E.Br.
Amorphophallus muelleri Blume
Amorphophallus mullendersii Malaisse & Bamps
Amorphophallus myosuroides Hett. & A.Galloway
Amorphophallus mysorensis E.Barnes & C.E.C.Fisch.
Amorphophallus napalensis (Wall.) Bogner & Mayo
Amorphophallus napiger Gagnep.
Amorphophallus natolii Hett., Wistuba, V.B.Amoroso, Medecilo & Claudel
Amorphophallus niahensis P.C.Boyce & Hett.
Amorphophallus nicolaii Hett.
Amorphophallus nicolsonianus Sivadasan
*Amorphophallus niimurai Yamam. 白毛磨芋 （现接受名：A. henryi，台湾磨芋；种加词亦拼作“niimurae” ）
Amorphophallus obovoideus Alderw.
Amorphophallus obscurus Hett. & Sizemore
Amorphophallus ochroleucus Hett. & V.D.Nguyen
*Amorphophallus oncophyllus Prain ex Hook.f. 香港磨芋 （现接受名：A. muelleri ，弥勒魔芋 /缅甸魔芋 ）
Amorphophallus ongsakulii Hett. & A.Galloway
Amorphophallus operculatus Hett. & Sizemore
Amorphophallus opertus Hett.
Amorphophallus paeoniifolius (Dennst.) Nicolson
Amorphophallus palawanensis Bogner & Hett.
Amorphophallus paucisectus Alderw.
Amorphophallus pendulus Bogner & Mayo
Amorphophallus perakensis Engl.
Amorphophallus perrieri Hett. & Wahlert
Amorphophallus pilosus Hett.
Amorphophallus plicatus Bok & H.J.Lam
Amorphophallus polyanthus Hett. & Sizemore
Amorphophallus prainii Hook.f.
Amorphophallus preussii (Engl.) N.E.Br. in D.Oliver & auct. suc. (eds.)
Amorphophallus prolificus Hett. & A.Galloway
Amorphophallus pulchellus Hett. & Schuit.
Amorphophallus purpurascens Kurz ex Hook.f.
Amorphophallus pusillus Hett. & Serebryanyi
Amorphophallus putii Gagnep.
Amorphophallus pygmaeus Hett.
Amorphophallus ranchanensis Ipor, A.Simon & Meekiong
Amorphophallus reflexus Hett. & A.Galloway
Amorphophallus rhizomatosus Hett.
Amorphophallus richardsiae Ittenb.
*Amorphophallus rivierei Durand ex Carrière 磨芋 （现接受名：A. konjac，花蘑芋 ；种加词亦拼作“rivieri” [12-14] ）
Amorphophallus rostratus Hett.
Amorphophallus rugosus Hett. & A.L.Lamb
Amorphophallus sagittarius Steenis
Amorphophallus salmoneus Hett.
Amorphophallus saraburensis Gagnep.
Amorphophallus saururus Hett.
Amorphophallus scaber Serebryanyi & Hett.
Amorphophallus schmidtiae Hett. & A.Galloway
Amorphophallus scutatus Hett. & T.C.Chapm.
Amorphophallus serrulatus Hett. & A.Galloway
Amorphophallus shyamsalilianus J.V.Gadpay.
*Amorphophallus sinensis Belval 疏毛磨芋 （现接受名：A. kiusianus，东亚蘑芋 ）
Amorphophallus sinuatus Hett. & V.D.Nguyen
Amorphophallus sizemoreae Hett.
Amorphophallus smithsonianus Sivadasan
Amorphophallus sparsiflorus Hook.f.
Amorphophallus spectabilis (Miq.) Engl. in A.L.P.de Candolle & A.C.P.de Candolle
Amorphophallus staudtii (Engl.) N.E.Br. in D.Oliver & auct. suc. (eds.)
*Amorphophallus stipitatus Engl.梗序磨芋 （名称位置未定 ）
Amorphophallus stuhlmannii (Engl.) Engl. & Gehrm. in H.G.A.Engler, Pflanzenr.
Amorphophallus subcymbiformis Alderw.
Amorphophallus sumawongii (Bogner) Bogner & Mayo
Amorphophallus suwidjianus Ipor, Tawan & Meekiong
Amorphophallus sylvaticus (Roxb.) Kunth
Amorphophallus symonianus Hett. & Sizemore
Amorphophallus synandrifer Hett. & V.D.Nguyen
Amorphophallus taurostigma Ittenb.
Amorphophallus tenuispadix Hett.
Amorphophallus tenuistylis Hett.
Amorphophallus terrestris Hett. & Claudel
Amorphophallus teuszii (Engl.) Mottet
Amorphophallus thaiensis (S.Y.Hu) Hett.
Amorphophallus tinekeae Hett. & A.Vogel
Amorphophallus titanum (Becc.) Becc.
Amorphophallus tonkinensis Engl. & Gehrm. in H.G.A.Engler 东京蘑芋
Amorphophallus tuberculatus Hett. & V.D.Nguyen
Amorphophallus variabilis Blume 野磨芋
Amorphophallus venustus Hett.
Amorphophallus verticillatus Hett.
*Amorphophallus virosus N.E.Br. 疣柄磨芋 （现接受名：A. paeoniifolius，疣柄磨芋 ；拉丁文名改变，中文名未变）
Amorphophallus vogelianus Hett. & Billensteiner
Amorphophallus xiei H.Li & Z.L.Dao 谢君蘑芋
Amorphophallus yuloensis H.Li 攸乐蘑芋
Amorphophallus yunnanensis Engl. 滇磨芋
Amorphophallus zenkeri (Engl.) N.E.Br. in D.Oliver & auct. suc. (eds.)
==魔芋属检索表==
魔芋属 1肉穗花序长圆锥形，伸出佛焰苞外，比佛焰苞远长或近等长；花序柄伸长。(2)
1肉穗花序粗短，长度短于或等于佛焰苞。(8)
2附属器多少被毛，柱头、2浅裂，子房2室。(3)毛磨芋组
2附属器无毛。(5)磨芋组
3子房花柱缺；附属器散生长约10毫米的紫色硬毛，长14-16厘米；佛焰苞檐部卵状长圆形，边缘波状，外面淡绿色具白色斑块。疏毛磨芋
3子房有明显的花柱（长1-3毫米）。(4)
4附属器密被紫色硬毛，长32厘米；佛焰苞檐部卵形，绿色。硬毛磨芋
4附属器疏被白色的毛，长25厘米；佛焰苞檐部宽心形，苍白色，内面紫色。白毛磨芋
5柱头全缘，头状，花柱短于子房，附属器长12-31厘米。佛焰苞深紫色。台湾磨芋
5柱头多少分裂。(6)
6花柱短于子房；佛焰苞外面具斑块，边缘玫红色，内面白色。野磨芋
6花柱长度等于或长于子房。(7)
7花柱长于子房；佛焰苞不具斑块。东川磨芋
7花柱与子房等长，长约2毫米；佛焰苞浅绿色，具暗绿色斑块，边缘内面紫红色。磨芋
8附属器短圆锥状，长宽几相等；花柱比子房长，柱头深裂。(9)短柄组
8附属器多少伸长，长度胜于宽度，圆锥形至卵状圆锥形。(12)磨芋组
9佛焰苞中部收缩；中部以上斜钟形，灰绿色，具淡灰色斑块；附属器小，圆锥状，长1.5厘米，基部粗1.2厘米，黄色，叶柄具疣粗糙。灰斑磨芋
9佛焰苞钟状扩展，中部不收缩；附属器肥大，高5厘米以上。(10)
10花序柄及叶柄光滑，玫红色；佛焰苞绿色，边缘褐色；附属器近球形，高5厘米，顶部扁平。天心壶
10花序柄及叶柄具疣或皱纹。(11)
11佛焰苞外面绿色，具紫色条纹和绿白色斑块；附属器圆锥形，青紫色，长7-12厘米，基部直径与长度几相等；柱头2裂。疣柄磨芋
11佛焰苞外面淡绿带紫色，有白色圆形斑块，中部以上紫色；附属器圆锥状扁球形，长6厘米，径19-20厘米，深紫色；柱头3裂。大磨芋
12叶柄顶头无珠芽。(13)
12叶柄顶头及叶片1次裂片近基部有珠芽；肉穗花序长于佛焰苞。(17)
13子房无花柱，柱头全缘；肉穗花序无梗，附属器钝圆锥状，长（2.2-）4.5厘米，粗1.2厘米。湄公磨芋
13花柱明显，肉穗花序多少具梗。(14)
14佛焰苞长度等于或短于肉穗花序；附属器细长，长圆锥形或长纺锤形，长5.5-8厘米，粗0.7-1.4厘米。蛇枪头
14佛焰苞长于肉穗花序。(15)
15肉穗花序具长达2厘米的梗；佛焰苞长圆形，长12厘米，宽4-4.5厘米，苍白色；圆锥状附属器长5厘米，粗1.25厘米，苍白色。梗序磨芋
15肉穗花序梗长在1.3厘米以下，有时近无梗；佛焰苞绿色，纸质或膜质。(16)
16附属器粗短，近圆柱形或三角状卵圆形，长3.8-5.0厘米，宽1.6-2.5厘米。滇磨芋
16附属器长大，长圆锥形或纺锤形，长4.5-14厘米，中下部粗1.5-6厘米，绿色黄白色。南蛇棒
17佛焰苞绿色、绿白色，具桔红色斑块；附属器金黄色，长圆锥形，长9厘米。香港磨芋
17佛焰苞外面粉红带绿色，内面下部红色，上部黄绿色；附属器绿色，圆锥形，长5-8厘米，粗2-2.5厘米。珠芽磨芋
==魔芋属主要价值==
本属一些植物块茎可加工成磨芋豆腐（又称褐腐）供疏食。如磨芋干片含淀粉42.05%，淀粉的膨胀力可大至80-100倍，粘着力强，可用作浆纱、造纸、瓷器或建筑等的胶粘剂。
块茎入药能[[解毒消肿]]，灸后健胃，消饱胀。治流火、疔疮、无名肿毒、瘰疬、[[眼睛蛇]]咬伤、烫火伤、间日疟、乳痈、腹中痞块、疔癀高烧、[[疝气]]等。全株有毒，以块茎为最，中毒后舌、喉灼热、痒痛、肿大。民间用醋加姜汁少许，内服或含嗽，可以解救。亦有些具有观赏价值。
== 参考来源 ==
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[[Category:370 植物學總論]]