红火麻 hong huo ma

Basionym: Girardinia cuspidata subsp. triloba C. J. Chen, Acta Bot. Yunnan. 4: 334. 1982; G. suborbiculata subsp. triloba (C. J. Chen) C. J. Chen.

Herbs annual, monoecious, Leaf blade obovate or broadly ovate, often 3-lobed, lobes triangular, terminal one 3-7 cm, lateral lobes 1.5-3 cm, base truncate or cordate, margin regularly dentate or doubly dentate, petiole and veins on abaxial leaf face often purplish. Male inflorescences spicate, 1-2 cm. Female inflorescences 1-6 cm, often densely spreading hirsute. Achene 2-2.5 mm, not elevated at base. Fl. Jun-Aug, fr. Aug-Oct.

* Shady moist places in forests, along streams, near villages; 300-1800 m. Chongqing, S Gansu, Guizhou, Hubei, NW Hunan, S Shaanxi, Sichuan, Yunnan.