Herb or suffrutex to 3 (4) m tall, sparsely to densely hirsute, the trichomes of stem retrorse and spreading. Stipules linear, to 8 mm long ; petioles to 15 cm long; blades nearly circular in outline, palmately lobed, 10-20 cm long, l2-24 cm wide, cordute or subsagittate at base, the lobes 3-5, acuminate, narrow, deep, irregularly serrate-dencate. Flowers solitary in upper axils; pedicels 3-6 cm long in flower, to 10 cm in fruit; epicalyx with 8-10 linear bracteoles to 17 mm long, ca 2 mm wide, persistent; calyx spathaceous, 2-4 cm long, 5-dentate, splitting laterally at anthesis; petals 5, obovate, to 8 cm long, yellow with a dark purple spot at base, asymmetrical; staminal tube ca one-third as long as corolla; style slightly longer than staminal tube. Capsules ovoid, 5-7 cm diam, acuminate, densely pubescent; seeds many, globose-reniform, ca 3.5 mm long, prominently brown-strime. Croat 6376.