醉魂藤 Heterostemma alatum

by Jun

  • Scientific Name: Heterostemma alatum Wight & Arn.
  • Ref: Contr. Bot. India:42. 1834
  • Chinese Common Name: 醉魂藤 zuìhún∙téng
  • Family: Apocynaceae
  • Genus: Heterostemma
  • Distribution: native range is Indian Subcontinent to Myanmar
  • Photo: 07/25/2012, Mt. Emei, Sichuan
Heterostemma grandiflorum Costantin in Lecomte, Fl. Indo-Chine. 4: 122. 1912.
大花醉魂藤 da hua zui hun teng
Lianas to 5 m. Stems and branchlets longitudinally striate; internodes usually pubescent along 2 lines, sometimes glabrous. Petiole (2-)2.5-6.5 cm, flattened; leaf blade ovate or ovate-oblong, (7-)10-19 × (3.5-)5-10.5 cm, papery, glabrous, base rounded, sometimes truncate, apex obtuse or acute; basal veins 3, lateral veins 3 or 4 pairs, flattened adaxially, elevated abaxially. Inflorescences forked, 6-9 cm; peduncle 0.9-2.5(-3) cm. Pedicel 1-1.5(-4) cm, puberulent. Sepals ovate, margin membranous, ciliate. Corolla rotate, puberulent outside, glabrous inside; lobes ovate, ca. 4 × 3.5 mm. Corona lobes ligulate, ca. 3 mm, spreading horizontally and flat on corolla. Follicles linear-lanceolate, 10-12 cm × 7-10 mm, ± reflexed. Seeds broadly ovate, ca. 2 × 1.2 cm; coma ca. 2.5 cm. Fl. Jul-Sep, fr. Oct-Dec.
Open woodland, thickets. Guangdong, Guangxi, Hainan, Sichuan, Yunnan [Vietnam].(Flora of China)
– Plant / / / / / /

Leave a comment