薄托楼梯草 bao tuo lou ti cao

Herbs perennial, dioecious, ca. 34 cm tall. Stems ascending or erect, branched, glabrous. Leaves alternate; nanophylls absent; stipules lanceolate-linear or triangular, 3-5.5 × 0.8 mm, glabrous, without cystoliths; petiole ca. 1.2 mm; leaf blade obliquely elliptic, 8-11 × 3-4.5 cm, herbaceous, major basal lateral veins asymmetric, 1 basal, the other arising above base, abaxial surface glabrous, adaxial surface sparsely strigillose, cystoliths obscure, sparse; base with broader half rounded, margin dentate, apex acuminate. Male inflorescences in pairs, simple, ca. 9 × 5 mm in diam.; peduncle ca. 1.8 mm; receptacle nearly oblong, ca. 5 × 2.5 mm in diam.; bracts connate, 1.5-2.5 mm; bracteoles linear-lanceolate. Male flowers 4-merous. Fl. Apr.

* Evergreen broad-leaved forests in valleys; 1000-1100 m. Guangxi (Leye).