重三出黄堇 chong san chu huang jin

Corydalis triternata Franchet, J. Bot. (Morot) 8: 290. 1894, not Zuccarini (1843).

Herbs, perennial, 50-100 cm tall. Roots several, linear, stout, to 12 cm. Stems several, diffuse, branched from base, often densely and finely papillose-pubescent in lower part, sometimes with accessory branches in inflorescence. Radical leaves several; petiole very long; blade glaucous abaxially, green adaxially, triternate; primary petiolule 3-8 cm; secondary petiolule 1-2 cm, ultimate petiolule 3-6 mm; leaflets broadly ovate, 1-3 cm, entire, obtuse to subacute. Cauline leaves several, distant, alternate; petiole 5-10 cm with broad slightly erose auricles at base; blade like radical leaves. Racemes 3-7 cm, at fruiting to 12 cm, 10-15-flowered, at first dense then distant, secund; bracts obovate to oblanceolate, 2-7 mm, entire. Pedicel 2-3(-5) mm, arcuate in fruit. Sepals to 0.5 mm. Petals yellow; outer petals: limb navicular-ovate, apex acute, dorsal crest ca. 1 mm high, reaching apex; upper petal 18-25 mm; spur straight, cylindric, 14-19 mm; nectary extended through ca. 4/5 of spur; lower petal often with peglike process at base; inner petals 8-9 mm, claw shorter than limb; stigma with 10 marginal papillae and with lateral submarginal geminate papillae. Capsule obovoid, 6-11 × ca. 3 mm, 4-8-seeded; style ca. 3 mm. Seeds in 2 rows, ca. 1.5 mm, smooth; caruncle lingulate, small. Fl. and fr. May-Nov.

Forest understories, forest margins, grasslands on slopes; 2000-3200 m. WC Yunnan [NW Myanmar].