Perennial, with a stout rootstock, scapes (10-) 15-30 (-40) cm long. Petiole 7-20 cm long, usually sheathing at base, covering the stem, leaflets subsessile, 3-8 cm x 2-3 cm elliptic oblong-ovate, margin entire or slightly dentate, apex acute. Raceme 2.5-15 cm long on 7-16 cm long peduncle. Pedicel 7-20 mm long, the lowest usually longer. Calyx 4-5 mm long, lobes somewhat obtuse, corolla white-pale pink, 8-12 (-14) mm long, lobes acute. Style c. 6 mm long, selender. Capsule 6-8 mm long, pointed. Seeds numerous, 2-3 mm long, lens shaped, yellow.