耧斗菜 lou dou cai

Stems 15--50 cm tall, pubescent or densely glandular hairy, often apically branched. Basal leaves few, 2-ternate; petiole to 18 cm; leaf blade abaxially pubescent to subglabrous, adaxially glabrous; lateral leaflets obliquely obovate, unequally 2-lobed; central leaflet broadly obovate, 1.5--4 × 1--5 cm, 3-lobed and segments with 2 or 3 obtuse teeth. Stem leaves several. Inflorescences cymose, 3--7-flowered; bracts 3-sect. Flowers pendulous, 1.6--2 cm in diam. Pedicel 2--7 cm. Sepals elliptic-ovate, 0.7--1.5 × 0.4--0.8 cm. Petals erect, obovate, nearly as long as sepals, apex subtruncate; spur 1.2--1.8 cm, straight or apically slightly incurved. Stamens to 2 cm, exserted; anthers yellow, narrowly ellipsoid. Staminodes narrowly lanceolate, 7--8 mm. Pistils 5, densely glandular hairy. Style as long as ovary or longer. Follicles ca. 1.5 cm; persistent styles 7--12 mm. Seeds ca. 2 mm, conspicuously striate. Fl. May--Jul, fr. Jul--Aug.

Forests, grassy slopes, valleys, wet places, by streams, rocky places by streams; 200--2400 m. Gansu, Hebei, Heilongjiang, Hubei, Jilin, Liaoning, Nei Mongol, Ningxia, E Qinghai, Shaanxi, Shandong, Shanxi [Japan, Mongolia, Russia (Siberia)].