红毛七 hong mao qi

Leontice robusta (Maximowicz) Diels.

Herbs, to 80 cm tall. Rhizomes short, stout, nodose. Stem leaves 2; terminal leaflet usually petiolulate, lateral leaflets subsessile; leaflets abaxially pale green or grayish white, adaxially green, ovate, oblong, or broadly lanceolate, 4-8 × 1.5-5 cm, both surfaces glabrous, base broadly cuneate, margin entire, sometimes 2- or 3-lobed, apex acuminate. Flowers pale yellow, 7-8 mm in diam.; bracteoles usually 3. Sepals obovate, 5-6 × 2.5-3 mm, apex rounded. Petals much smaller than sepals, base clawed. Stamens opposite petals, ca. 2 mm; filaments longer than anthers. Pistils shorter than stamens; ovules 2, stipitate; funiculus thickened, 7-8 mm. Seeds naked at maturity, 6-8 mm in diam.; seed coat blue, fleshy, glaucous; aril absent. Fl. May-Jun, fr. Jul-Sep. 2n = 16.

Forests, bamboo thickets, Cathaya forests, moist places in valleys; 900-3500 m. Anhui, Gansu, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Jilin, Liaoning, Shaanxi, Shanxi, Sichuan, Xizang, Yunnan, Zhejiang [Japan, Korea, Russia].