吐烟花 tu yan hua

Polychroa repens Loureiro, Fl. Cochinch. 2: 559. 1790; Elatostema daveauanum (N. E. Brown) A. Haller; E. gibbosum Kurz; E. pulchrum A. Haller; E. repens (Loureiro) A. Haller; E. repens var. pulchrum (N. E. Brown) H. Schroeter; E. repens var. viride (N. E. Brown) H. Schroeter; Pellionia annamica Gagnepain; P. daveauana N. E. Brown; P. daveauana var. viridis N. E. Brown; P. pulchra N. E. Brown; Procris gibbosa Wallich.

Herbs perennial, monoecious or dioecious. Stems prostrate, usually branched, terete, pubescent or glabrescent. Leaves alternate; stipules triangular, 4-10 × 2-5 mm; petiole 1.5-5 mm; leaf blade papery, obliquely elliptic or obovate, 1.8-11 × 1.2-4.0 cm, major lateral veins asymmetric, one basal, the other arising above base, broader outer half auriculate, margin undulate, undulate-crenate or nearly entire, apex obtuse, rounded or hebetate; cystoliths conspicuous, dense; nanophylls ovate or nearly linear, ca. 1 mm. Staminate inflorescences 0.6-3 cm in diam., peduncle 2-14 cm; staminate flowers: tepals 5, broadly elliptic or elliptic; stamens 5; rudimentary pistil subulate. Pistillate inflorescences ca. 3 mm in diam., sessile; pistillate flowers: tepals 5. Achenes ovoid or ellipsoidal, tuberculate. Fl. May-Oct.

Valley forests, dark damp places on rocks; 800-1100 m. Hainan, Yunnan [Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam].