革叶楼梯草 ge ye lou ti cao

Herbs perennial, dioecious, 14-18.5 cm tall. Stems erect, simple, furfuraceous, glabrous. Leaves alternate, glabrous; nanophylls absent; stipules linear-lanceolate, 1-1.6 × 0.2-0.3 mm, without cystoliths; petiole 0-0.5 mm; leaf blade obliquely elliptic or rhombic-elliptic, 1.2-2.4 × 0.8-1.1 cm, leathery, major basal lateral veins asymmetric, 1 basal, the other arising above base, cystoliths conspicuous, dense; basiscopic half obliquely cuneate or auriculate, margin denticulate, apex acute. Female inflorescences solitary, 30-flowered or more, 3-4 mm in diam.; peduncle ca. 1 mm; receptacle nearly orbicular or broadly oblong, ca. 2 mm in diam.; bracts triangular; bracteoles linear or narrowly linear. Fl. Apr-May.

* Rocks under dense forests, wet places in valleys, caverns in limestone hills; 500-900 m. Guangxi (Leye), Guizhou (Libo).