荔波楼梯草 li bo lou ti cao

Herbs perennial, dioecious, ca. 18 cm tall. Stems ascending or erect, simple, densely ferruginous-furfuraceous, sparsely puberulent. Leaves alternate; nanophylls absent; stipules small, caducous; petiole 0-2 mm; leaf blade obliquely oblanceolate or narrowly obovate, 2.5-6.5 × 1-2 cm, papery, major basal lateral veins both arising at base of leaf blade, both surfaces strigillose; cystoliths conspicuous, dense; base with broader half obtuse, margin denticulate, apex acuminate or acute. Female inflorescences solitary, 3-flowered or more, 2.5-4 mm in diam.; peduncle ca. 1.5 mm; receptacle broadly oblong, 2.5-3.5 mm in diam.; bracts connate, triangular; bracteoles linear or oblanceolate-linear. Achenes ellipsoid, 6-ribbed. Fl. Apr.

* Rocks under dense forests; 800-900 m. Guizhou (Libo).