Weak and delicate perennial, 20-40 (-60) cm long, sparsely branched, glabrous, almost glaucous, with slender, often branched and thin rootstock. Leaves thin, submembranous, ternate with 3 (-5) pinnae; each pinnae ovate to suborbicular deeply dissected with petioluled lobes; lower leaves long stalked, 10-20 cm long, (2) 3-6 cm broad, terminating into 3 (-5) pinnae; each pinnae again ternate into 3 lobes; lobes suborbicular, 1-2 cm in diam., and again deeply dissected into lobules or ultimate segments; lobules obovate-oblong or oblong, (2-) 4-10 (-15) mm long, 1-3 (-5) mm broad, apex subrounded; petiolules filiform, up to 10 mm long. Racemes short, simple, terminating the branches, 3-10 -flowered, often subcorymbose with lower pedicels longer than the upper ones, becoming lax in fruit, 2-5 cm long; bracts leafy, lower much segmented, upper almost entire and small. Flowers small, 10-12 mm long, yellow, slightly vertical; spur short conic, slightly upcurved or straight, slightly shorter than the lamina of the upper petal. Sepals 2.5-3 mm long, ovate-orbicular with much lacinate or dissected margin. Upper petal hooded at the apex but without a dorsal wing, acute or minutely acuminate; lower petal slightly saccate at the base and apex similar as that of upper petal. Capsule oblong-obovate or oblong, 6-10 mm long, 2-3.5 mm broad, ± deflexed on equally long or longer pedicel, 6-10-seeded; style short, 1.5-2 mm long, curved at apex with broad stigma; seeds 1.5-2 mm in diam., sub-biseriate to biseriate, shining black.