Draba ladyginii Pohle, Izv. Imp. Bot. Sada Petra Velikago 14: 472. 1914. TYPE: China, Ladygin 381 (holotype, LE!; photos, MO!, PE!).

Draba incana Linnaeus var. flaccida Maximowicz, ………..TYPE:

Draba incana Linnaeus var. microphylla W. W. Smith, Notes Roy. Bot. Gard. Edinburgh 11: 206. 1919. TYPE: China, Tibet, near Ka-gwr-pu Temple, Jul 1913, 13,000 ft, F. Kingdon-Ward 885 (holotype, E!).

Draba lanceolata Royle var. chingii O. E. Schulz, Pflanzenreich IV. 105(Heft 86): 298. 1927. TYPE: China, Gansu, near Pingfan, 2350-2800 m, 12-20 Jul 1923, R. C. Ching 497 (holotype, B!; isotypes, E!, GH!, P!, PE!, US!).

Draba lanceolata Royle var. latifolia O. E. Schulz, Notizbl. Bot. Gart. Berlin-Dahlem 10: 555. 1929. TYPE: China, E Tibet, Radja and Yellow River gorges, Deyang Valley, E of Radga, 10,000 ft, Jun 1926, J. F. Rock 14134 (holotype, B; isotypes, E!, GH!, K!).

Herbs perennial, cespitose; caudex slender, few branched, ultimate branches terminated in rosettes, covered with petiolar remains of previous years. Stems (7–)15–45(–60) cm, erect, simple or rarely branched above middle, sparsely to densely pubescent with subsessile stellate trichomes, often glabrescent distally. Basal leaves rosulate, persistent; petiole 5–10(–15) mm, sometimes undifferentiated; leaf blade elliptic, oblong, or lanceolate, (0.3–)1–2.5(–4) cm ´ (1–)2–7(–10) mm, abaxially pubescent with subsessile or short-stalked, cruciform trichomes sometimes mixed with 3- or 5-rayed trichomes, adaxially pubescent with a mixture of stellate and simple trichomes, base attenuate to cuneate, margin entire or denticulate, apex acute; cauline leaves (4–)6–19(–26), sessile; leaf blade ovate, oblong, or elliptic, 0.4–2.5(–4) cm ´ 1.5–7(–15) mm, pubescent as basal leaves or adaxially strigose with simple trichomes, base cuneate to obtuse, margin entire or 1–4(–7)-toothed on each side, apex acute. Racemes (8–)14–35(–45)-flowered, bracteate basally, not elongated in fruit; fruiting pedicels 2–10(–12) mm, divaricate, straight, glabrous or pubescent all around with subsessile, forked or stellate trichomes sometimes mixed with simple ones. Sepals oblong or ovate, 1–1.5 ´ 0.5–0.6 mm, erect, abaxially pilose with simple trichomes, base of lateral pair not saccate, margin membranous; petals white, broadly spatulate, 2–3 ´ 0.8–1.1 mm, apex emarginate; claw absent; filaments 0.9–2 mm; anthers ovate, 0.2–0.3 mm; ovules (28–)32–52(–60) per ovary. Fruit linear, (5–)7–12(–17) ´ 1–1.5 mm, erect or rarely divaricate, latiseptate, rarely slightly twisted; valves glabrous, base and apex obtuse, with a distinct midvein; style obsolete, rarely to 0.1 mm. Seeds brown, ovate, 0.6–0.8 ´ 0.4–0.5 mm.

Flowering: Jun–Aug.

Habitat: sunny roadsides, sandy damp places, scrub, alpine turf, wood margins, meadows and seepage, rock cliffs, talus.

Elevation: 2100–4700 m.

Distribution: China (Gansu, Qinghai, Sichuan, Xinjiang, Xizang, Yunnan).