Tree up to 15 m tall. Branchlets 3-6 cm thick, puberulous to hispidulous, partly with uncinate hairs; prostomata present. Stipules 12-20 cm long, caducous, puberulous to hirtellous outside; petiole up to 110 cm long outside, trichilia present; blade (sub)coriaceous, ca. 55-100(-120) x 55-100(-120) cm, incisions 9-10, down to 2/3-9/10 the distance between outline and petiole, upper surface scabrous to smooth, lower surface on the veins puberulous, partly with uncinate hairs, and with arachnoid hairs in the areoles and on the smaller veins; secondary veins of the free part of the midsegment 10-17(-25) pairs, unbranched, submarginally loop-connected. Staminate inflorescences: peduncle patent to pendulous, 10-15 cm long; spathe 12-16 cm long; spikes ca. 14-20, stipitate, 4-14 x 0.3-0.4 cm; perianth glabrous at the apex, with sparse, minute hairs below the apex; anthers after abscission attached to the perianth with appendages of the thecae. Pistillate inflorescences: peduncle patent, 6-13 cm long; spathe 7-10 cm long; spikes 4(-6), subsessile to stipitate, (3-)7-9 x 0.4-0.6 cm, in fruit up to 16 x 1.2 cm; perianth glabrous and smooth at the apex, arachnoid hairs below the apex; stigma penicillate. Fruit ca. 25 mm long, tuberculate.