长柄赤车 chang bing chi che

Procris latifolia Blume, Bijdr. Fl. Ned. Ind. 509. 1826; Elatostema javanicum (Weddell) A. Haller; E. latifolium Blume ex H. Schroeter; E. latifolium (Blume) Boerl. var. acaule (Hook. f.) H. Schroeter; E. latifolium var. eulatifolium H. Schroeter; E. tsoongii (Merrill) H. Schroeter; Pellionia acaulis J. D. Hooker; P. balansae Gagnepain; P. helferiana Weddell; P. javanica (Weddell) Weddell; P. javanica (Weddell) Weddell var. acaulis Ridley; P. javanica (Weddell) Weddell var. minor Ridley; P. pierrei Gagnepain; P. tsoongii (Merrill) Merrill; Pilea javanica Weddell; Polychroa tsoongii Merrill.

Herbs perennial or subshrubs, usually dioecious. Stems ascending or erect, branched or simple, glabrous or pubescent. Leaves alternate; stipules triangular, 12-18 × 3-6 mm; petiole 4-19 cm; leaf blade papery, obliquely elliptic or oblong-obovate, 12.5-20 × 5.8-11 cm, major lateral veins symmetric, both basal, broader outer half auriculate, margin entire, apex acuminate; cystoliths conspicuous, dense; nanophylls ovate or narrowly ovate, 3-4 mm. Staminate inflorescences 2-4 cm in diam., peduncle 3.2-10 cm; staminate flowers: tepals 5, nearly elliptic; stamens 5; rudimentary pistil conic. Pistillate inflorescences 2-3 cm in diam., peduncle 2-10 cm; pistillate flowers: tepals 5. Achenes ovoid, tuberculate. Fl. Dec-Jul.

Valley forests, dark damp places on precipices; 1100-1300 m. S Guangxi, Hainan, S Yunnan [Cambodia, Indonesia, Laos, Malaysia, Myanmar, Thailand, Vietnam].