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核果木

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|[[File:核果木1.jpg|缩略图|居中|250px|[http://img1.iplant.cn/gotoimg/236/208ACA8A8D03FA6D.jpg 原图链接] [http://www.iplant.cn/info/%E6%A0%B8%E6%9E%9C%E6%9C%A8?t=p 来自植物智]]]

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中文学名:核果木

拉丁学名:Drypetes indica

(Muell. Arg.) Pax et Hoffm.

别 称:南仁铁色 琼中核果木

界:植物界

门:被子植物门

纲:双子叶植物纲

科:[[大戟科]]

属:[[核果木属]]

分布区域:中国[[台湾]]、[[广东]]、

[[海南]]、[[广西]]、[[贵州]]、

[[云南]],[[印度]]、[[锡金]]、

[[缅甸]]、[[泰国]]

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'''核果木'''(hé guǒ mù,学名 '''Drypetes indica''' (Muell. Arg.) Pax et Hoffm.,异名:Drypetes hieranensis Drypetes longipes Drypetes karapinensis Cyclostemon karapinense Drypetes nienkui Cyclostemon indicus Drypetes karapinensis var. hieranensis Drypetes griffithii Drypetes lancifolia Cyclostemon lancifolius Cyclostemon karapinensis Cyclostemon griffithii Cyclostemon hieranensis
)为[[大戟科]]乔木,高达15米;枝条伸长,小枝密被皮孔;除萼片外面、子房和果被柔毛外,全株均无毛。产于中国[[台湾]]、[[广东]]、[[海南]]、[[广西]]、[[贵州]]、[[云南]]。
<ref>[http://www.iplant.cn/info/%BA%CB%B9%FB%C4%BE 核果木], 植物智, 2020-01-18</ref>

==核果木形态特征==

叶片革质或厚纸质,椭圆状长圆形、卵状长圆形、长圆状披针形或披针形,长8-15厘米,宽3-6厘米,顶端尾状渐尖,尖头钝,基部楔形至钝,两侧常不相等,全缘;侧脉每边6-8条,网脉密而明显;

叶柄长3-10毫米,干后常有横皱纹。雌雄异株,稀同株,总状花序腋生或顶生;雄花:花梗长2-5毫米;萼片4,长约2毫米;花盘圆盘状,边缘稍隆起,浅裂;雄蕊4-8,着生于花盘浅裂凹缺处,花丝圆柱形,花药椭圆形至近圆形;
[[File:核果木2.jpg|缩略图|left|250px|[http://img1.iplant.cn/gotoimg/236/568A515ACE71DA7D.jpg 原图链接] [http://www.iplant.cn/info/%E6%A0%B8%E6%9E%9C%E6%9C%A8?t=p 来自植物智]]]

雌花:花梗长达2厘米;萼片与雄花的相同;子房圆球形,2-3室,花柱2,伸长,柱头盾状,顶端全缘。

[[File:核果木3.jpg|缩略图|left|250px|[http://img1.iplant.cn/gotoimg/236/C0955F18BB8777D2.jpg 原图链接] [http://www.iplant.cn/info/%E6%A0%B8%E6%9E%9C%E6%9C%A8?t=p 来自植物智]]]

蒴果单生或数个组成总状呈圆球形,直径12-18毫米,顶端稍压,2-3室,每室具1个种子,外果皮干时近革质,内果皮纸质;果梗长2.5-4厘米。

花果期11月-翌年2月。 <ref> 《中国植物志》 第44(1)卷 (1994) >> 050页 PDF >> 核果木 Drypetes indica</ref>

Drypetes indica (Muell. Arg.) Pax et Hoffm. in Engl. Pflanzenr. 81 (IV. 147. XV): 278. 1921: Airy Shaw in Kew Bull. 26(2): 255. 1972; P. T. Li in Acta Phytotax. Sin. 26: 59. 1988. ——Cyclostemon indicus Muell. Arg. in Linnaea 32: 81. 1863, et in DC. Prodr. 15 (2): 481. 1866; Hook, f. Fl. Brit. Ind. 5: 340. 1887.——C. karapinensis Hayata, Icon. Formos. 5: 198. 1915. ——C. hieranensis Hayata, l. c. 6: 42. 1916. ——Drypetes karapinensis (Hayata) Pax et Hoffm. in Engl. Pflanzenr. 81(IV. 147. XV): 248. 1921; H. Keng in Taiwania 6: 41. 1955: Li, Fl. Woody Taiwan 422. 1963: Hsieh in Li, Fl. Taiwan 3: 458. 1977. ——D. hieranensis (Hayata) Pax et Hoffm. in l. c. ; Hsieh in l. c. 458, Pl. 686. ——D. nienhui Merr. et Chun in Sunyatsenia 2: 258. 1935: 海南植物志2: 140. 1965. ——D, karapinensis (Hayata) Pax et Hoffm. var. hieranensis (Hayata) Hurusawa in Journ. Fac. Sci. Tokyo Bot. III, 6 (6): 334. 1954. ——D. longipes X. H. Song in Journ. Nanjing Inst. For. 1: 74, fig. 1. 1986.

Trees to 15 m tall, rarely monoecious, glabrous except for pubescent sepals, ovary, and fruits; branchlets densely lenticellate. Petiole 3-10 mm, usually transversely rugose when dry; leaf blade elliptic-oblong, ovate-oblong, oblong-lanceolate, or lanceolate, 8-15 × 3-6 cm, leathery or thickly papery, base cuneate to rounded, usually oblique, margin entire, apex caudate-acuminate; lateral veins 6-8 pairs, reticulate veins dense and prominent. Inflorescences on slender, leafy, axillary shoots. Male flowers: pedicels 2-10 mm; sepals 4, ca. 2 mm; disk rounded-discoid, entire or margin slightly elevated and shallowly divided; stamens 4-8, inserted at sinus of disk; filaments terete. Female flowers: ovary globose, 2- or 3-celled; styles 2 or 3, elongate; stigma peltate or flabellate, entire. Fruiting pedicels 2.5-4 cm; drupes solitary, globose, 12-22 mm in diam., 2- or 3-celled, 1-seeded; exocarp subleathery-dry; endocarp papery. Fl. and fr. Nov-Feb.

==核果木生长环境==
核果木生于海拔400-1600米山地林中。
==核果木分布范围==
产于中国[[台湾]]、[[广东]]、[[海南]]、[[广西]]、[[贵州]]、[[云南]],分布于[[印度]]、[[锡金]]、[[缅甸]]、[[泰国]]等。模式标本采自印度东北部[[卡西亚]]。

== 参考来源 ==
{{reflist}}

[[Category:370 植物學總論]]
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