Herb up to 15 cm high at flowering, arising from a stout woody stock. Basal lvs up to 6 cm long, pilose, imparipinnate; lateral leaflets in up to 6 pairs, minute; terminal leaflet 20-35 mm long, crenate-dentate; cauline lvs few, oblong, deeply toothed. Peduncle up to 15 cm high. Fls 1-5. Petals c. 12-15 mm long, yellow. Achenes pilose.