海南买麻藤

海南买麻藤
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中文名:海南买麻藤拉丁学名:Gnetum hainanense C. Y. Cheng 界:植物界门:被子植物门目:买麻藤目组:无柄亚组种:海南买麻藤分布区域:广东、广西

海南买麻藤(hǎi nán mǎi má téng，学名：Gnetum hainanense C. Y. Cheng）藤本，较细弱。叶革质，有光泽，矩圆状椭圆形或矩圆状卵形，长10-15厘米，宽3-5厘米，小脉在两面明显网状，叶柄长8-12毫米。 ^[1]

海南买麻藤形态特征

藤本，较细弱。叶革质，有光泽，矩圆状椭圆形或矩圆状卵形，长10-15厘米，宽3-5厘米，小脉在两面明显网状，叶柄长8-12毫米。

原图链接来自植物标本馆

雄球花序成三出聚伞花序或有两对分枝，雄球花穗有总苞12-20轮，每轮总苞内有雄花60-80，雄蕊2, 花丝全部合生，约1/2露出假花被外，不育雌花15-30；

原图链接来自植物标本馆

雌球花序的每一花穗有总苞10-20轮，每轮总苞内有雌花8-9，花序轴较粗壮。成熟种子无柄或几无柄，假种皮桔红色，矩圆状广椭圆形，长1.5-2厘米，径约1.5厘米，干后表面无纵皱纹，先端急尖，中央常有小尖。

分类文献

Gnetum hainanense C. Y. Cheng,植物分类学报13 (4): 88: 81. 图65. 1975.——Gnetum parvifolium auct. non C. Y. Cheng;陈焕镛等, 海南植物志1: 221. 1964,部分和图; 中国科学院植物研究所, 中国高等植物图鉴1: 338.图676. 1972。

Vines slender, fragile. Petiole 0.8-1.2 cm; leaf blade glossy, oblong-elliptic or oblong-ovate, 10-15(-30) × 3-7.5 cm, leathery, lateral veins 6-8 on each side.

Male inflorescences simple or once branched; male spikes 1.5-3 cm × 3-4 mm, involucral collars 12-20, each collar with (40-)60-80(-90) flowers plus 15-20(-30) sterile female flowers, basal hairs forming a dense cushion.

Female inflorescences borne on old branches, axillary, once branched, 10-15 cm in fruit; female spikes with 10-20 involucral collars, rachis thick, nodes each with 8 or 9 female flowers.

Seeds sessile or nearly so, red, cylindric to broadly ellipsoid, (1.5-)1.9-2.1(-2.5) × 1.1-1.4(-1.6) cm, thinly fleshy, base rounded, apex acute or with a small, pointed head in center, outer coat ± smooth when dried. Pollination Feb-Jul, seed maturity Jul-Dec.

Forests; 100-900 m. S Fujian (Zhao’an Xian), Guangdong, Guangxi, Guizhou, Hainan, SE Yunnan (Funing Xian)

This name was invalid as originally described (C. Y. Cheng in W. C. Cheng & al., Acta Phytotax. Sin. 13(4): 88. 1975) because two types (male and female) were designated.^[2]