桂林楼梯草 gui lin lou ti cao

Herbs perennial, dioecious, 14-20 cm tall, glabrous. Stems ascending or erect, simple. Leaves alternate; nanophylls absent; stipules linear-lanceolate, 1.2-3 × 0.4-0.9 mm, ciliate; petiole absent; leaf blade obliquely elliptic, 2.5-4 × 0.7-1.2 cm, herbaceous or membranous, major basal lateral veins both arising at base of leaf blade, cystoliths conspicuous, slightly sparse; base obliquely cuneate, margin denticulate, apex acuminate. Male inflorescences solitary, simple, ca. 3.5 mm in diam.; peduncle 4-6 mm; receptacle very small; bracts connate, 1.5-2 mm; bracteoles narrowly lanceolate. Male flowers 4-merous. Fl. Jul.

* Streamside rocks. Guangxi (Lingchuan).