Shrub or small tree, 3-4.5 m high, 6 cm dbh. Twigs appressedly hairy. Petiole c. 12-22 mm, rather densely minutely appressedly hairy. Leaf-blade 20-50 by 6.5-25 cm; base cordate; above yellowish green, bullate between midrib and secondary nerves, midrib strongly prominent to flat, secondary nerves rather strongly prominent, venation finely prominent; beneath creamish brown to light brownish green, minutely hairy on the nerves, secondary nerves 14-20 pairs, protruding, mostly forming a nearly complete, rather distinct intramar-ginal nerve, venation sometimes rather obscure; glands rather few and mainly along the margin, or numerous and scattered, 0.3-0.6 mm diam., basal glands (1 or sometimes 2 pairs) at very base on midrib. Inflorescences shorter than the leaves, mostly elongate and often very densely set with flowers; axes appressedly to patently minutely hairy, light to very dark brownish, with large, protruding nodal glands. Pedicel 5-7 mm, very densely minutely appressedly reddish brown hairy. Sepals minutely appressedly reddish brown hairy; outer sepals c. 4.5 by 3 mm, with or without protruding glands; inner sepals c. 6.5 by 3.7 mm, keeled. Petals white, when dry yellowish, the longest one 12 mm long; carina in apical part rather shortly appressedly hairy outside, minutely so inside, further glabrous; other petals glabrous outside, glabrous or ciliate at base, shortly hairy or not inside in basal part, the lateral petals strongly bent, the upper petals strongly S-curved. Stamens: filaments glabrous or sparsely shortly hairy at base; anthers 0.8-1.2 mm long, ciliate along slits. Ovary slightly ribbed; style glabrous in basal part, apically shortly appressedly hairy; ovules 8-10. Fruit globular, up to 2 cm diam., dull, rather smooth, light brown; pericarp rather thin, not very hard.