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滇铁榄

增加 1,509 位元組, 4 年前
無編輯摘要
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| [[File:滇铁榄1.jpg|缩略图|居中|250px|]][http://img1.iplant.cn/gotoimg/236/B797BE3821CC83B2.jpg 原图链接] [http://www.iplant.cn/info/Sinosideroxylon%20yunnanense?t=p 来自植物志]
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中文学名:滇铁榄
拉丁学名:Sinosideroxylon yunnanense  (C. Y. Wu) H. Chuang
界:植物界
|}
'''滇铁榄''' (diān tiě lǎn,学名'''Sinosideroxylon yunnanense''' (C. Y. Wu) H. Chuang),俗名:'''滇假水石梓''',异名:'''Planchonella yunnanensis''' ,乔木,高5-15米,幼部被锈毛,很快变无毛;小枝近圆柱形,具条纹,皮孔小而密集,成小疣状。花期5月,果期11月。
<ref>[http://www.iplant.cn/info/%B5%E1%CC%FA%E9%AD 滇铁榄], 植物智, 2020-01-18</ref>
圆锥花序腋生,常为伞形,多花(12-20)密集;总梗短,长2-6毫米,被锈色微柔毛,基部具苞片,长三角形,长约1毫米,密被锈色微柔毛;花萼近基部联合,裂片5,覆瓦状排列,卵状三角形,长约2毫米,宽约1.5毫米,外面被锈色微柔毛,内面无毛;花冠长约5毫米,5裂,裂片卵圆形,长约3毫米;能育雄蕊5,与花冠裂片对生,花丝钻形,长约2毫米,花药卵形,长约1毫米;退化雄蕊5,花瓣状,长约3毫米,花后延长。
 
[[File:滇铁榄2.jpg|缩略图|左|250px|
[http://img1.iplant.cn/gotoimg/236/AE4F6E2D57374A22.jpg 原图链接] [http://www.iplant.cn/info/Sinosideroxylon%20yunnanense?t=p 来自植物志]]]
浆果卵球形,长达2.4厘米,无毛,绿转黑色;种子1枚,长圆状卵圆形,长达2厘米,具圆形、近基生的疤痕,子叶叶状,稍肥厚,长1.8厘米,宽6毫米,胚根扁柱形,长3毫米。
 
Trees 5--15 m tall. Young parts soon glabrescent. Branchlets striate, with small and dense lenticels. Leaves alternate; petiole 1--1.5 cm; leaf blade oblanceolate, 9--20 X 2--5 cm, leathery, both surfaces glabrous, apex acuminate, veins conspicuous. Flowers in axillary panicle, usually umbellate, 12--20, closely clustered; peduncle 2--6 mm, rust colored pubescent. Calyx connate at base; sepals 5, ovate-triangular, ca. 2 X 1.5 mm, outside rust colored pubescent, inside glabrous. Corolla ca. 5 mm; lobes 5, ovate. Staminodes 5, petal-like, 3 mm, lengthening after flowering. Fruit a berry, green becoming black, ovoid, ca. 2.4 cm, glabrous. Seed 1, oblong-ovoid, ca. 2 cm; scar rounded, sub-basal. Fl. May, fr. Nov.
 
* Dense forests; 1000--1600 m. SE Yunnan
 
The criteria for placing this species in Sinosideroxylon is based on Auberville's view-point (Fl. Cambodge, Laos &amp; Vietnam 3: 6. 1963.) that seed characters are important for generic delimitations.
 
==滇铁榄生长环境==
生长于[[海拔]]1000-1550米的密林中或池畔。
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