Bulb to 8 cm diam. Leaves: petiole 15-60 cm long; limb subcircular to broadly ovate, hardly cordate at base, emarginate to shortly apiculate, 20-30 cm long and 15-35 cm wide, margin undulate. Umbel 5-25-flowered; peduncle 15-90 cm long; spathes 3 or 4, 3-10 cm long; pedicels to 4.5 cm long. Flowers with 22-35 mm long perigone-tube, lobes 25-40 mm long. False corona 7-10 mm long; free part of filaments 10-12 mm long. Fruits 15-30 mm diam.