19. Corydalis latiloba (Franchet) Handel-Mazzetti, Symb. Sin. 7: 342. 1931.
宽裂黄堇 kuan lie huang jin
Herbs, perennial, glaucous, clustered, 10-30 cm tall, with bulky taproot and many-headed rootstock. Basal leaves ca. equal to stems, sometimes longer or shorter than stems, long petiolate; blade glaucous, oblong-ovate, bipinnate; primary pinnae 3-5 pairs, petiolulate; secondary pinnules 1 or 2 pairs, lateral ones nearly opposite, all broadly ovate, 1-1.5 × 1-2 cm, deeply 3-divided. Raceme 5-10 cm, at first dense, then lax; bracts narrowly ovate, 3-5 mm, apex acuminate. Pedicels more than 2 × as long as bracts. Flowers yellow. Sepals ovate, ca. 2 mm, finely dentate. Outer petals without crest; upper petal ca. 1.5 cm; spur slightly downcurved, ca. 1/4 as long as petal, obtuse; nectary extended through ca. 1/2 of spur; inner petals retuse at apex, crest broad and extended beyond apex, claw ca. equal to petal lobe; stigma horizontal with 2 arms, each apex with 2 indistinct papillae. Capsule inclined-extended or arcuately decurved, oblong, 1.5-2 cm × 3-4 mm, both ends attenuate. Seeds ca. 1.5 mm in diam., with thin concave dots; caruncle obvious, orbicular, large. Fl. May-Jul, fr. Jun-Aug.
● Rock crevices; 1300-3200 m. SW Sichuan, E Xizang, Yunnan.
This is a very variable and possibly heterogeneous taxon, here divided into three subspecific taxa.