The World Flora Online

Trees; bark gray-white. Branchlets robust, with leaf scars, brown stellate pubescent when young. Leaves simple; stipules lanceolate, ca. 1 cm; petiole robust, ca. 16 cm, pilose; leaf blade palmately 3-7-lobed, 17-22 cm, abaxially densely yellow-brown stellate tomentose, adaxially sparsely pubescent, base broadly cordate, central lobe broadly ovate, ca. 8 × 8 cm at base, apex caudate. Inflorescence subterminal on branchlets, paniculate, densely ferruginous stellate tomentose. Calyx yellow, campanulate, ca. 1 cm, tube ca. 4 mm, abaxially pubescent, adaxially glabrous, lobes lanceolate, apex acuminate, ca. 6 mm, spreading outward. Male flowers: androgynophore curved, glabrous. Stamens 10. Female flowers: ovary globose. Style curved downward, hairy. Follicles narrowly ellipsoid, 3-5 cm, both surfaces densely ferruginous villous, apex shortly beaked. Seeds black, oblong. Fl. Feb, fr. Apr-Oct.

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A medium sized, monoecious tree. Leaves with 25-40cm long petiole; lalmina palmately 5-7-lobed, 20-40 cm long and broad, glabrescent above, tomentose below, cordate at the base, lobes somewhat oblong or obovate entire or 3-fid, acuminate-cuspidate. Panicles 15-30 cm long, rusty pubescent, pendulous. Flowers unisexual, pedicel4-8 mm long, bracteole filiform, caducous. Calyx campanulate, 5-partite, 6-10 mm long, 10-15 mm across, yellow with pinkish throat, lobes lanceolate, 4-6 mm long, patent, acute. Staminal column 4-5 mm long, recurved, glabrous, anthers 10. Carpels 5; ovary globose, strigose, 5-loculed, many-ovuled; gynophore 2-3 mm long; style recurved. Follicles 5, sessile, 4-6 cm long, coriaceous, rusty pubescent, many-seeded, red when ripe. Seeds oblong, smooth, black.

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Deciduous tree, up to 20 m high; bark smooth, brownish-grey; twigs stout, densely hairy, with prominently raised large leaf scars. Stipules lanceolate, caducous. Leaves palmately lobed, nearly orbicular in outline, deeply 5–7 lobed; lobes ± 1/1 or more of lamina, coriaceous or subcoriaceous, scabrid on upper surface, soft long-hairy and pale on under surface, 20–30 x 20–30 cm; apex acuminate to cuspidate; base deeply cordate, 5–(7)-nerved from base; all nerves and veins prominent on under surface. Petiole 20–30 cm long, hairy then glabrescent. Inflorescences terminal and at upper leaf scars, lax and pendulous, up to 30 cm long, rusty-hairy. Flower buds ovoid, ca 4 x 3 mm; pedicel ca 5 mm, hairy. Calyx obconical or broadly campanulate, lobes ovate, 5–10 x 2–5 mm, more or as long as calyx tube, hairy outside. Male flowers with 10 stamens; anthers sessile; staminodes 10. Female flowers with 5 free carpels, hairy. Ovary ovate, with 5–6 ovules; style cohering, ± 4 mm long, hairy; stigmas flattened or with 5 lobes. Follicles 3–5, drooping, oblong, leathery, densely villous, ca 5 x 2 cm, dehiscent. Seeds 3–5, ovoid, ca 15 x 12 mm, black.

In mixed deciduous forest; altitudes 600–1100 m. Flowering and fruiting during January–March.

Thailand, India (type), Nepal, Burma, Southern China, Cambodia.

Wood white, used for indoor construction.