All Floras      Advanced Search
FOC Vol. 23 Page 44 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 23 | Araceae | Arisaema

1. Arisaema petelotii K. Krause, Notizbl. Bot. Gart. Berlin-Dahlem. 11: 332. 1932.

紫根南星 zi gen nan xing

Plants dioecious. Rhizome lying underground or half underground, dark brown outside, purplish in section, thickly cylindric, 7-18 × 4-6 cm. Leaves usually 2; petiole green or purplish green, to 60 cm, proximal 20-30 cm sheathing into pseudostem, encircled by several cataphylls; leaf blade green, 3-foliolate; central leaflet with petiolule 1-4 cm, blade elliptic to ovate, to 30 × 17 cm, base rounded; lateral leaflets similarly petiolulate, obliquely ovate, apex acuminate. Peduncle colored as petiole, 7-12 cm. Spathe green, without stripes, semitranslucent; tube narrowly funnelform, 4-7 cm, throat 2-3 cm in diam.; limb deltoid-ovate, to 7 × 5 cm, apex acute and cuspidate. Spadix bisexual when mature; appendix basically green, 4-6 cm, slender, covered with rather numerous filiform neuter flowers, brushlike. Berries reddish, ovoid, ca. 5 mm in diam. Fl. Jun-Jul, fr. Oct-Nov.

Humid forest floors and gravel slopes in shade; 800-1000 m. S Yunnan [Vietnam].


Flora of China @
Browse by
Advanced Search

Flora of China Home




 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |