Two-Leaved Corydalis is a delicate pink to
purple-flowered perennial herb, 5-15 tall, with a rather dense
few-flowered cluster at the top. Flowers are 5-15 in number, 1.5-2.5 cm
long, with a stout, paler, prominently up-curved spur with often
down-curved tip. Bracts are entire, pointed. Stem leaves are generally
two. They are double-compound, with oblong, entire leaflets, the middle
leaflet being longest. Capsule is oblong-elliptic, 1-1.5 cm long, with
a curved style. Two-Leaved Corydalis is found in the Himalayas, from
Afghanistan to W Nepal, at altitudes of 1800-3300 m. Flowering:
April-June.