双花堇菜(原变种) shuang hua jin cai (yuan bian zhong)

Viola biflora var. acuminata Maximowicz; V. biflora var. hirsuta W. Becker; V. biflora var. nudicaulis W. Becker; V. biflora var. valdepilosa Handel-Mazzetti; V. chingiana W. Becker; V. kanoi Sasaki; V. nudicaulis (W. Becker) S. Y. Chen; V. schulzeana W. Becker; V. tayemonii Hayata; V. wallichiana subsp. brevicornis W. Becker.

Stems usually 10-25 cm tall. Leaf blade reniform or broadly ovate, 1-3 × 1-4.5 cm, base deeply cordate or cordate, margin obtusely dentate, apex obtuse; spur 1-2.5 mm. Fl. May-Jul, fr. Jul-Oct. 2n = 12*.

Alpine or subalpine meadows, thickets, forest margins, rock crevices; 2500-4000 m. Gansu, Hebei, Heilongjiang, Henan, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan, Taiwan, Xinjiang, Xizang, Yunnan [Bhutan, NE India, Indonesia (N Sumatra), Japan, Kashmir, Korea, Malaysia, Mongolia, Myanmar, Nepal, Russia; Europe, North America].