疆堇 jiang jin

Roborowskia mira Batalin, Trudy Imp. S.-Peterburgsk. Bot. Sada 13: 91. 1893; Corydalis osmastonii Fedde.

Herbs, perennial, 2-10 cm tall, glaucous, glabrous. Caudex many headed, overlaid by dense remnants of slightly shiny dead petioles and stems. Stem without leaf or with 1 leaf. Basal leaves many, dense; petiole 0.5-3 cm, base long sheathed; blade ovate, 0.5-4 × 0.5-1.5 cm, slightly thick, pinnate; leaflets 2 or 3(or 4?) pairs, narrowly obovate to obovate, 2-7 × 1-4 mm, entire or deeply 2-4-lobed, apex obtuse. Cauline leaf (if present) like basal leaves. Inflorescence 1-4-flowered; bracts lanceolate, 5-7 mm, entire or with small distant teeth, apex long caudate. Pedicel straight, 1-2 cm. Sepals 5-8 × ca. 1 mm, fimbriate-incised, apex long caudate. Petals yellow; outer petals acuminate, apically diverging, with short dentate crests; upper petal 17-18 mm with broadly saccate spur 3-4 mm; nectary thick, extended through 5/6 of spur; inner petals 10-12 mm, claw shorter than limb. Ovary almost globose, ca. 1 mm; ovules (1 to) several; style 8-9 mm; stigma: see section description. Capsule almost globose, 7-8 mm in diam., with thickish, leathery valves, 1(-11)-seeded. Seeds black, shiny, nearly reniform or spheroid, ca. 2 mm. Fl. and fr. Jun-Aug.

Rock crevices; 2600-3400 m. W Xinjiang [N Kashmir (Baltistan)].