Slender Corydalis is herb with weak stems 1-2 ft
long, somewhat glaucous, often prostrate. Leaves are double- or
triple-compound, segments 3-5, broad-ovate, deeply cut. Flowers are
borne in lax, few-flowered racemes at the end of long slender branches.
Bracts are small, cut into narrow lobes. Flowers are yellow 1.3 cm
long. Posterior petal is hooded, pointed, equaling or exceeding the
very broad, conic, blunt spur. Capsule is 6-12 mm long, linear or
linear-obovate, style very short. Slender Corydalis is found in the
Himalayas, from Garhwal to Sikkim, at altitudes of 2300-4600 m.