翼茎白粉藤查看源代码讨论查看历史
翼茎白粉藤 |
中文学名:翼茎白粉藤 别 称:Cissus pteroclada Hayata 界:植物界 科:葡萄科 属:白粉藤属 云南。 |
翼茎白粉藤(yì jīng bái fěn téng,学名:Cissus pteroclada)为葡萄科白粉藤属下的一个种。台湾、福建、广东、广西、海南、云南。 [1]
翼茎白粉藤形态特征
草质藤本。小枝4棱形,棱有翅,棱间有纵棱纹,无毛。卷须2叉分枝,相隔2节间断与叶对生。
叶卵圆形或长卵圆形,长5-12厘米,宽4-9厘米,顶端短尾尖或急尖,基部心形,基缺张开呈钝角,小枝上部叶有时基部近截形,边缘每侧有6-9个细牙齿,上面暗绿色,下面浅绿色,两面均无毛;
基出脉5,中脉有侧脉3-4对,网脉在下面常明显突出;叶柄长2-7厘米,无毛;托叶草质,褐色,卵圆形,长约1.5毫米,宽约1毫米,顶端钝,无毛。
花序顶生或与叶对生,集生成伞形花序;花序梗长1-2厘米,被短柔毛;花梗长2-4毫米,无毛;花蕾卵圆形,高1.5-3毫米,顶端钝或圆形;
萼杯形,边缘全缘,无毛;花瓣4,花药卵圆形,长宽近相等,花盘明显,4裂;子房下部与花盘合生,花柱短,钻形,柱头微扩大。
果实倒卵椭圆形,长1-1.5厘米,宽0.8-1.4厘米,有种子1-2颗;种子倒卵长椭圆形,顶端圆形,基部喙显著,表面棱纹尖锐,种脐在种子背面下部;
外形与种脊无异,种脊突出,腹部中棱脊突出,两侧洼穴倒卵长圆形,从基部向上达种子上部或近中部。
花期6-8月,果期8-12月。 [2]
分类
Cissus pteroclada Hayata, Icon. Pl. Form. 2: 107. 1912 et in ibid. 3: 63. 1913; 台湾植物志3: 671. 1977.——Vitis pteroclada (Hayata) Hayata, Gen. Ind. Fl. Form. 15. 1916.——C. hastata auct. non (Miq.) Planch. 1887: 海南植物志3: 17. 1974; W. T. Wang in Acta Phytotax. Sin. 17 (3): 87. 1979 in clavi; 云南种子植物名录上册795. 1984; 福建植物志3: 372. 1988.
英文介绍
Vitis pteroclada (Hayata) Hayata.
Lianas, herbaceous. Branchlets with 4 wings and longitudinal ridges, glabrous; tendrils bifurcate. Leaves simple; stipules brownish, oval, ca. 1.5 × 1 mm, herbaceous, glabrous, apex obtuse; petiole 2-7 cm, glabrous; leaf blade oval or narrowly oval, 5-12 × 4-9 cm, glabrous, basal veins 5, lateral veins 3 or 4 pairs, veinlets conspicuously raised abaxially, base cordate or subtruncate, notch obtuse and angular, margin with 6-9 fine teeth on each side, apex cuspidate or acute. Inflorescence umbelliform, terminal or leaf-opposed; peduncle 1-2 cm, pubescent. Pedicel 2-4 mm, glabrous. Buds oval, 1.5-3 mm, apex obtuse or rounded. Calyx entire. Petals 4. Anthers oval. Lower part of ovary adnate to disk; style conical, short; stigma slightly expanded. Berry 1-1.5 × 0.8-1.4 cm, 1- or 2-seeded. Seed surface with sharp ridges, chalazal knot at lower part of seed, raphe raised, ventral holes obovate-elliptic upward to top or near middle from base. Fl. Jun-Aug, fr. Aug-Dec.
On trees or shrubs in valleys; 300-2100 m. Fujian, Guangdong, Guangxi, Hainan, Taiwan, Yunnan [Indonesia, Malaysia, Myanmar, Thailand, Vietnam].
翼茎白粉藤生长习性
生长于海拔300-2100米的山谷疏林或灌丛。