锐棱阴山荠(原亚种) rui leng yin shan ji (yuan ya zhong)

Cochlearia acutangula O. E. Schulz, Notizbl. Bot. Gart. Berlin-Dahlem 10: 554. 1929; Rorippa villosa R. F. Huang; Yinshania acutangula var. albiflora (Ma & Y. Z. Zhao) Y. H. Zhang; Y. albiflora Ma & Y. Z. Zhao; Y. albiflora var. gobica Z. X. An; Y. wenxianensis Y. H. Zhang; Y. wenxianensis var. songpanensis Y. H. Zhang.

Stems distinctly angled. Fruit oblong to oblong-linear, rarely narrowly ovoid, glabrous or minutely papillate. Seeds (10-)14-20(-24) per fruit, 0.6-0.8 mm. Fl. Jul-Aug, fr. Aug-Oct. 2n = 14*.

* Mountain slopes, meadows, rock crevices, valleys, fields, among bushes, roadsides, dry areas; 900-3000 m. Gansu, Hebei, Nei Mongol, Qinghai, Shaanxi, Sichuan.