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Dinghushan | Family List | Gnetaceae | Gnetum

Gnetum parvifolium (Warb.) C. Y. Cheng

小叶买麻藤

Description from Flora of China

Gnetum scandens Roxburgh var. parvifolium Warburg, Monsunia 1: 196. 1900; Gnetum indicum (Loureiro) Merrill f. parvifolium (Warburg) Masamune; G. montanum Markgraf f. parvifolium (Warburg) Markgraf.

Vines to 12 m, usually thin and weak; bark pale or grayish brown, lenticels usually relatively conspicuous. Petiole 5-8 (-10) mm; leaf blade elliptic to narrowly so, or obovate, 2.5-10(-13) × 1.5-5 cm, leathery, lateral veins 5-8(-11) on each side, base cuneate to subrounded, apex acute or attenuate, sometimes obtuse. Male inflorescences simple or once branched, branches ternate or in 2 pairs; peduncle slender, 0.5-1.5 cm; male spikes 0.8-1.2(-1.5) cm × 2-3 mm, involucral collars 5-10(-12), each collar with 40-70 flowers plus 10-12 sterile female flowers, basal hairs few, brown, short. Female inflorescences usually borne on old branches, once branched, rarely simple, 10-15 cm in fruit, axis 2-3 mm thick; peduncle 1.5-2 cm; female spikes with involucral collars 6-9 mm apart, nodes each with 5-8 female flowers, basal hairs brown, short. Seeds sessile or nearly so, red, elongate ellipsoid or fusiform to narrowly oblong-obovoid, (1.3-)1.6-2.2 cm × (4-)5-8(-10) mm, 2-3.2 × as long as wide, apex usually with a small, pointed head, outer coat thin, longitudinally striate when dried. Pollination Apr-Jul, seed maturity Jul-Nov.

Female material from Hainan has been named as Gnetum formosum Markgraf (which is known with certainty only from Vietnam). However, it does not differ significantly from plants of G. parvifolium occurring elsewhere in China. Vietnamese material of G. formosum, including the type of that name, seems to differ from G. parvifolium in its larger leaves, longer male spikes, and even more slender fruits, ca. 3 × as long as wide.

The fibers from the bark are used in Guangdong to make ropes; the seeds yield edible oil and are eaten fried.

Forests; 100-1000 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi [Laos, Vietnam]

生活型: 藤本

栽培植物: 野生

特征: 木质大藤本;

花期: 4--6

果期: 10

生境: 生于林中,多数,常见

用途: 药用,老茎及叶祛风除湿、活血接骨,治风湿、骨折、跌打、坐骨神经痛等症;茎皮纤维可织网、绳索及作人造棉;树液作清凉饮料;种子可炒食或榨油,供食用或作润滑油。

门中名: 种子植物门

亚门中名: 裸子植物亚门

中文别名: 米仔藤、驳节藤(高要)


 

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