1. Droguetia iners (Forsskål) Schweinfurth subsp. urticoides (Wight) Friis & Wilmot-Dear, Nordic J. Bot. 7: 126. 1987.
单蕊麻 dan rui ma
Forsskaolea urticoides Wight, Icon. Pl. Ind. Orient. 6: 11, t. 1982. 1853 [“Forskolea”]; Boehmeria parvifolia Weddell; Droguetia urticoides (Wight) Weddell.
Herbs perennial, 20-40 cm tall. Stems spreading hirtellous, sometimes also strigillose. Leaves opposite; stipules triangular, 3-4 mm, membranous, mucronate; petioles 0.4-3.8 cm; leaf blade ovate or rhombic-ovate, 3-6.5 × 1.8-3.6 cm, herbaceous, secondary veins 2 each side of midvein, sparsely appressed hispid adaxially, strigose and sometimes mixed hispid on veins abaxially, base cuneate, margin crenate-denticulate in basal 1/3, apex often cuspidate, sometimes acute. Glomerules in axils of upper stem, 3-6 mm in diam.; involucre 2 mm, densely white woolly at base adaxially, 5-denticulate at apex. Male flowers often 7, surrounding 1 female flower; pedicel short; perianth lobe 1, boat-shaped, elliptic, ca. 2 mm, mucronate. Female flower 1, in center of glomerule, ca. 1.5 mm; stigma 2.8-3.5 mm. Female glomerule of 2-5 flowers borne in axils of lower stem; involucre narrowly ovoid, 1.6-1.8 mm, apex slightly contracted, 5-denticulate, similar to female perianth tube in Boehmeria, densely puberulent outside 1.5-2 mm, each involucre with 1 female flower. Achenes ovoid, angled, 1-1.5 mm. Fl. Sep, fr. Sep-Dec.
Forest margins, valleys; 1500-2500 m. C and S Taiwan, SW Yunnan [NE India, Indonesia (Java)].
Droguetia iners subsp. iners occurs in Africa.