Elatostema pseudoficoides W. T. Wang

Herbs perennial, monoecious, 40-100 cm tall. Stems ascending or erect, simple, glabrescent or pilose. Leaves alternate; nanophylls absent; stipules narrowly linear, 4-8 × 0.2-0.3 mm, glabrous, with cystoliths; petiole 0-2.5 mm; leaf blade green after drying, obliquely oblong, 10-27 × 3.5-7.5 cm, thinly herbaceous, major basal lateral veins absent and venation pinnate, abaxial surface sparsely puberulent or glabrescent along veins, adaxial surface sparsely strigillose, cystoliths conspicuous, dense; base with broader half rounded, margin densely dentate, apex cuspidate. Male inflorescences solitary, simple, 11-22 × 10-15 mm; peduncle 3-4 mm; receptacle nearly elliptic, 10-16 × 9-12 mm; bracts connate, 5-7 mm; bracteoles linear. Female inflorescences solitary or rarely in pairs, 2-5 mm in diam., sessile; receptacle nearly quadrate, ca. 4 × 4 mm; bracts triangular; bracteoles spatulate-linear. Male flowers 5-merous. Fl. Mar-Sep.

W Hubei, NW Hunan, Sichuan, Yunnan.

* Forests, forest margins or streamsides in valleys; 600-2600 m.

Elatostema pseudoficoides var. pubicaule W. T. Wang.

Elatostema pseudoficoides là loài thực vật có hoa trong họ Tầm ma. Loài này được W.T.Wang mô tả khoa học đầu tiên năm 1980.

多脉楼梯草（学名：Elatostema pseudoficoides）为荨麻科楼梯草属的植物，是中国的特有植物。分布于中国大陆的湖北、云南、四川等地，生长于海拔1,200米至2,200米的地区，多生在林边、山谷林中以及溪边，目前尚未由人工引种栽培。