尖突黄堇 jian tu huang jin

Corydalis boweri Hemsley.

Herbs, perennial, forming small cushions, 2-4(-6) cm tall, with long taproot, glabrous to densely papillose-hairy. Stems several from base. Leaves many, longer than inflorescence, 2-5 cm; petiole flat, 1-4 cm × 2-5 mm; blade not sharply set off from pale cuneate petiole, ca. 1 × 1-1.5 cm, biternatisect; ultimate segments oblong, obtuse, mucronate to shortly aristate. Racemes corymbose, 5-10-flowered; bracts pale to purplish at base, green distally, flabellate, 1-2 cm, apically divided into 7-13 oblong long-aristate lobes. Pedicel 7-12 mm, erect, at fruiting hooked at very apex. Flowers whitish or cream with yellow apex. Sepals 1-2 × 1-2 mm, largely dentate. Upper petal straight, 8-11 mm, with short dorsal crest attenuate in both directions, and not reaching apex; spur straight or slightly downcurved, cylindric or narrowed toward apex, 4-5 mm; nectary extended through ca. 2/3 of spur; inner petals 4-5 mm, apex yellow, claw shorter than limb. Stigma with 4(or 5) apical stalked papillae, rarely also with a single geminate papilla on "upper" side. Capsule elliptic, 4-6 × ca. 2 mm, 2-4-seeded; style 2.5-3 mm. Seeds ca. 1.3 mm, almost smooth or often peculiarly papillate.

● Alpine scree; 4200-5300 m. W Gansu (Sunan), S Qinghai, E Xinjiang (Ruoqiang), Xizang.