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锈毛丁公藤Erycibe expansa

时间:2013-09-05 12:49来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):锈毛丁公藤 学名( Scientific Name ): Erycibe expansa Wall. ex G. Don 英文名( English Common Name ): Erycibe ferruginea C. Y. Wu Erycibe ferruginosa Griff. Erycibe paniculata var. expansa (Wall. ex G. Don) Cho
中文名(Chinese Name):锈毛丁公藤
学名(Scientific Name):Erycibe expansa Wall. ex G. Don
英文名(English Common Name):Erycibe ferruginea C. Y. Wu  Erycibe ferruginosa Griff.  Erycibe paniculata var. expansa (Wall. ex G. Don) Choisy
别名(Chinese Common Name):绣毛麻辣仔藤
异名(Synonym):攀援灌木,高约5米。枝条圆柱形,径约5毫米,极密被锈色分枝短柔毛。叶革质,椭圆形,长6.5-9厘米,宽3.5-5厘米,顶端骤尖,具长约8毫米的尖头,疏被锈色分枝短柔毛,或近于无毛,背面密被锈色分枝短柔毛,具乳突,中脉在叶面微下陷,背面突起,侧脉5-6对,叶面稍明显,背面突起,网脉几不明显;叶柄极密被锈色分枝柔毛,长5-7毫米。花序总状圆锥状,长达16厘米,密被锈色分枝短柔毛,序轴多少具棱;花梗近于无或很短。幼果圆球形,无毛,径约4毫米,鲜时绿色,干时黑色;宿存萼片圆肾形,被黄色短绒毛,宽约3毫米。
科属(Family & Genus):旋花科(Convolvulaceae)丁公藤属
形态特征(Description):
分布(Distribution):产云南,生于海拔1000-1200米的灌丛中。
用途(Use):
引自中国植物志英文版FOC Vol. 16 Page 278
Erycibe expansa Wallich ex G. Don, Gen. Hist. 4: 392. 1838.
锈毛丁公藤 xiu mao ding gong teng | Convolvulaceae  | Erycibe
Erycibe paniculata Roxburgh var. expansa (Wallich ex G. Don) Choisy; E. ferruginea C. Y. Wu; E. ferruginosa Griffith.
Climbers, to 5 m tall. Stems striate, rust-colored stellate pubescent, glabrescent. Petiole 3-7 mm; leaf blade elliptic-obovate, 2.5-9 X 1.5-5 cm, abaxially ± reddish hirsute, adaxially glabrous, glossy, base obtuse to cuneate, apex short acuminate or cuspidate; lateral veins 3(-5) pairs, slightly prominent abaxially. Inflorescences terminal, paniculate, 4-16(-30) cm. Pedicel 1-2 mm. Flowers fragrant. Sepals ovate, 2.5-3 mm, densely stellate hirsute abaxially, glabrescent in fruit. Corolla white, 7.5-9.5 mm, midpetaline bands densely appressed pubescent abaxially; lobules elliptic-oblong, rather thick, margin entire. Stamens 2.2-2.5 mm; anthers acuminate. Ovary ca. 0.8 X 1 mm, glabrous. Stigma conical, 5-ridged. Fruit ellipsoid, ca. 12 X 6 mm, glabrous. Fr. Nov.
Open thickets; 1000-1200 m. Yunnan (Marlipo Xian) [India, Malaysia, Myanmar, Thailand]
The type of Erycibe ferruginea (Feng 13400) is a very good match for E. expansa, a species not previously known to occur north of peninsular Myanmar. The former is here reduced to synonymy for the first time. Further collections of E. expansa are desirable, since it is apparently rare in China and very little is known about it.







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