Cardamine tangutorum O.E.Schulz

Herbs perennial, (8-)15-30(-40) cm tall. Rhizomes creeping, sparsely scaly, not stoloniferous. Stems simple, erect, strongly curved at base, glabrous throughout or sparsely pilose distally. Rhizomal leaves 7-16(-22) cm; petiole 3.5-8(-12) cm; terminal leaflet oblong, oblong-lanceolate, or elliptic, (2-)3-5(-6) × 0.7-1.2(-2) cm, sessile, base cuneate, margin serrate and ciliolate, apex acute to subobtuse; lateral leaflets 3-5(or 6) pairs, not decurrent at base. Cauline leaves 1-3(-5), (3-)5-10(-13) cm, subleathery; petiole (0.5-)1-2.5(-4) cm, not auriculate at base; terminal leaflet oblong, 2-4 cm × 3-10(-15) mm, subsessile, glabrous or rarely sparsely pilose, base cuneate, margin ciliolate and serrate, rarely subentire or doubly serrate, apex acute or acuminate; lateral leaflets 2-4 pairs, similar to terminal but slightly smaller, not decurrent at base. Racemes 10-15-flowered. Fruiting pedicels ascending or divaricate, (0.7-)1-1.5 cm, straight, slender. Sepals oblong, 4-5 × (1-)1.5-2 mm, base of lateral pair saccate. Petals purple, spatulate, 0.8-1.4 cm × (2-)3-5 mm, base not clawed, apex rounded. Median filament pairs 6-8 mm, lateral pair 5-6 mm; anthers oblong, 1.2-2 mm. Ovules 10-14 per ovary. Fruit linear, 3.5-4.5 cm × 2-3 mm; gynophore to 2.5 mm; valves smooth, glabrous; style 2-4 mm. Seeds brown, ovate or suborbicular, 2-2.8 × 1.5-1.8 mm. Fl. May-Jul, fr. Jun-Aug. 2n = 42*.

It is a temperate plant. It grows in montane ditches, swampy meadows, river basins, woodlands between 1300–4400 m altitude in China. In Yunnan.

It is used as a vegetable. The leaves are fried.