短柱络石Trachelospermum brevistylum Hand.-Mazz.

别名：羊角草;

科名：夹竹桃科 Apocynaceae

属名：络石属 Trachelospermum

《中国植物志》第63卷221页
  8. 短柱络石（海南植物志）图版77
  Trachelospermum brevistylum Hand. -Mazz. in Sitzganz. Akad. Wiss. Wien Math. -Nat. 58: 228. 1921, et Symb. Sin. 7: 991. 1936; Tsiang in Sunyatsenia 2: 149, fig. 17. 1934; Woods. op. cit. 3: 95. 1936; Pichon in Bull. Mus. Hist. Nat. Paris Ser. 2, 20: 191. 1948;中国高等植物图鉴, 3: 455, 图4863, 1974.——T. cathaya-num auct. , non Schneid. : Merr. in Lingnan Sci. Journ. 7: 321. 1929. ——T. suaveolens Chun in Sunyatsenia 1: 298, fig. 4. 1934.——T. cuneatum Tsiang in Sunyatsenia 3: 149. 1936.
  木质藤本，较为柔弱，长2米，具乳汁，全部无毛。叶薄纸质，狭椭圆形至椭圆状长圆形，长5-10厘米，宽3厘米，顶端近尾状渐尖，基部钝至宽锐尖，无毛；叶柄长2-5毫米。花序顶生及腋生，比叶为短，无毛；花梗长5-7毫米；苞片披针形；花萼裂片卵状披针形锐尖，长1-2毫米，顶端略为展开，无毛；花白色，花冠筒长4.5毫米，基部直径约1毫米，向花喉部渐细而具微毛，裂片斜倒卵形，长6-7毫米，广展；雄蕊着生于花筒的基部，花药全部隐藏；子房长椭圆状，无毛，柱头近头状；花盘裂片离生，长及子房之半。蓇葖叉生，线状披针形，向顶端渐尖，长11-23.5厘米，直径0.3-0.5厘米，外果皮黄棕色，无毛；种子长圆形，长1-2.8厘米，直径1.5-2.5毫米；种毛色白绢质，长2.5-3厘米。花期4-7月，果期8-12月。
  产于四川、贵州、广西、广东、湖南、福建和安徽等省区。生于海拔600-1100米山地空旷疏林中，缠绕于树上或石上。模式标本采自湖南武岗云山。

《Flora of China》 Vol. 16 (1995)
Trachelospermum brevistylum  Handel-Mazzetti
短柱络石   duan zhu luo shi
Trachelospermum cuneatum Tsiang; T. suaveolens Chun.
Lianas woody, to 5 m, glabrous. Branches lenticellate. Petiole 5-8 mm; leaf blade narrowly elliptic, 5-10 X 1.2-3 cm, base obtuse, apex acuminate or caudate-acuminate; lateral veins 10-14 pairs. Cymes terminal and axillary; peduncle 1-2 cm. Pedicel 5-7 mm. Sepals narrowly elliptic, 1-2 mm, glabrous, apex acute, slightly spreading. Corolla white, tube ca. 4.5 mm, strigose-pilose inside; lobes obliquely obovate, 6-7 mm. Stamens included, inserted near base of corolla tube; disc rectangular, 5-lobed, free. Ovary glabrous. Follicles linear, divergent, 11-24 cm X 3-5 mm. Seeds oblong, 1-3 cm, coma ca. 3 cm. Fl. Apr-Jul, fr.Aug-Dec.
* Open forests, often climbing on trees; 600-1100 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hunan, Sichuan, Xizang.