贵州娃儿藤Tylophora silvestris Tsiang
贵州娃儿藤Tylophora silvestris Tsiang
16. 贵州娃儿藤(中国高等植物图鉴)图版203
Tylophora silvestris Tsiang in Sunyatsenia 3: 226. 1936;中国高等植物图鉴, 3: 516, 图4985. 1974.
攀援灌木;茎灰褐色;节间长8-9厘米。叶近革质,长圆状披针形,长5-7.5厘米,宽10-12毫米,顶端急尖,基部圆形,叶片除叶面的中脉及基部的边缘外无毛;基脉3条,侧脉每边1-2条,网脉不明显,边缘外卷;叶柄长5毫米,被微毛。聚伞花序假伞形,腋生,比叶为短,不规则两歧,着花10余朵;花蕾卵圆状;花紫色;花萼5深裂,内面基部具5个腺体;花冠辐状,花冠筒长0.5毫米,直径1毫米,裂片卵形,钝头,长2.5毫米,宽2毫米,向右覆盖;副花冠裂片卵形,肉质肿胀;花药侧向紧压,药隔加厚,顶端有1圆形白色的膜片;花粉块每室1个,圆球状,平展,花粉块柄上升,着粉腺近菱形;子房无毛;柱头盘状五角形。蓇葖披针形,长7厘米,直径0.5厘米;种子顶端具白色绢质种毛。花期3-5月,果期5月以后。
产于四川、贵州、云南、广东、湖南、江西、浙江、江苏和安徽等省区。生长于海拔500米以下的山地密林中及路旁旷野地。模式标本采自贵州桐梓。
《Flora of China》 Vol. 16 (1995)
Tylophora silvestris Tsiang
贵州娃儿藤 gui zhou wa er teng
Lianas to 2 m. Branches pale gray, glabrous. Petiole ca. 5 mm, puberulent; leaf blade narrowly oblong-lanceolate, 5-9 × 1-1.2 cm, leathery, glabrous except for midvein, base rounded, apex acute; basal veins 3, lateral veins ca. 4 pairs. Inflorescences extra-axillary, lax, up to as long as leaves, rachis usually branched, zigzag; cymules lax, racemelike; peduncle to 6 cm. Pedicel 1-2(-6) mm, pubescent. Sepals oblong, ca. 1.5 × 1 mm, pubescent, ciliate; glands 5. Corolla purple, occasionally pale yellow, rotate; lobes ovate, 2.5-3.5 × 1.4-2 mm, obtuse. Corona lobes ovate, pouched. Anthers nearly square, appendages white, rounded; pollinia globose, horizontal. Ovaries glabrous. Stigma head flat with raised center. Follicles lanceolate in outline, ca. 7 cm × 5 mm, apex acuminate, glabrous. Fl. Mar-May, fr. Jun-Sep.
* Forests, thickets, 300-2400 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang.
别名:筋骨藤;
科名:萝藦科 Asclepiadaceae
属名:娃儿藤属 Tylophora
16. 贵州娃儿藤(中国高等植物图鉴)图版203
Tylophora silvestris Tsiang in Sunyatsenia 3: 226. 1936;中国高等植物图鉴, 3: 516, 图4985. 1974.
攀援灌木;茎灰褐色;节间长8-9厘米。叶近革质,长圆状披针形,长5-7.5厘米,宽10-12毫米,顶端急尖,基部圆形,叶片除叶面的中脉及基部的边缘外无毛;基脉3条,侧脉每边1-2条,网脉不明显,边缘外卷;叶柄长5毫米,被微毛。聚伞花序假伞形,腋生,比叶为短,不规则两歧,着花10余朵;花蕾卵圆状;花紫色;花萼5深裂,内面基部具5个腺体;花冠辐状,花冠筒长0.5毫米,直径1毫米,裂片卵形,钝头,长2.5毫米,宽2毫米,向右覆盖;副花冠裂片卵形,肉质肿胀;花药侧向紧压,药隔加厚,顶端有1圆形白色的膜片;花粉块每室1个,圆球状,平展,花粉块柄上升,着粉腺近菱形;子房无毛;柱头盘状五角形。蓇葖披针形,长7厘米,直径0.5厘米;种子顶端具白色绢质种毛。花期3-5月,果期5月以后。
产于四川、贵州、云南、广东、湖南、江西、浙江、江苏和安徽等省区。生长于海拔500米以下的山地密林中及路旁旷野地。模式标本采自贵州桐梓。
《Flora of China》 Vol. 16 (1995)
Tylophora silvestris Tsiang
贵州娃儿藤 gui zhou wa er teng
Lianas to 2 m. Branches pale gray, glabrous. Petiole ca. 5 mm, puberulent; leaf blade narrowly oblong-lanceolate, 5-9 × 1-1.2 cm, leathery, glabrous except for midvein, base rounded, apex acute; basal veins 3, lateral veins ca. 4 pairs. Inflorescences extra-axillary, lax, up to as long as leaves, rachis usually branched, zigzag; cymules lax, racemelike; peduncle to 6 cm. Pedicel 1-2(-6) mm, pubescent. Sepals oblong, ca. 1.5 × 1 mm, pubescent, ciliate; glands 5. Corolla purple, occasionally pale yellow, rotate; lobes ovate, 2.5-3.5 × 1.4-2 mm, obtuse. Corona lobes ovate, pouched. Anthers nearly square, appendages white, rounded; pollinia globose, horizontal. Ovaries glabrous. Stigma head flat with raised center. Follicles lanceolate in outline, ca. 7 cm × 5 mm, apex acuminate, glabrous. Fl. Mar-May, fr. Jun-Sep.
* Forests, thickets, 300-2400 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang.