|Description of Species
||Deciduous dioecious trees to 20 m, bark greyish-brown, smooth; blaze creamy yellow; young parts tomentose. Leaves simple, opposite, decussate; stipules inter petiolar, 2-3 × 1 mm, linear lanceolate; petiole 3-12 cm long, slender, glabrous, unequal at each node, lamina 6-20 × 9-15 cm, broadly ovate or deltoid base subcuneate, subtruncate, truncate, subcordate or cordate at base, apex acuminate to cuspidate or cordate-acuminate, margin entire, glabrous above, glaucous beneath, chartaceous; 3-ribbed from base, prominent, lateral nerves 3-6 pairs, prominent, intercostae scalariform, faint. Flowers unisexual, pale green; male flowers; 3-5 mm across, numerous on 10-20 cm long peduncle with abundant floral remains over the peduncle; bracts ca. 3 mm across,ovate-lanceolate, pubescent; pedicels 4-5 mm long; tepals globose, ovate, splitting into 3-4 broad, concave, often reflexed segments, 4-7 × 3-4 mm; stamens many, clustered on a convex receptacle; filaments 1.5-3 mm long, free, slender; anthers oblong; female flowers; 5-9 mm across, 4-5 on axillary racemes; pedicels 5-10 mm long, finely hairy; tepals 3-5, 4-5 mm long, broadly ovate, densely tomentose beneath, cauducous; ovary superior, 3-4 mm across, 2-4-loculed, ovule one in each cell; styles 3, 1.5-3 cm long, spreading, connate below, oblong. Fruit a capsule 2-3 cm across, woody, dark brown, broadly rounded, 3-4 loculed, pericarp very thick; seeds globose, ovoid.
||Leaves simple, opposite, decussate; stipules inter petiolar, 2-3 × 1 mm, linear lanceolate; petiole 3-12 cm long, slender, glabrous, unequal at each node, lamina 6-20 × 9-15 cm