Tree to 10 m tall, to 15 cm dbh. Bark grey, olive-brown or white, smooth; inner bark pale brown, straw coloured or white. Branchlets glabrous to sparsely puberulent, lenticellate or not, angled, weakly winged or markedly winged. Leaves: petiole 0-10 mm long, glabrous; blade subcoriaceous to coriaceous, elliptic, 5-25.5 by 1.1-9.5 cm, 1.8-6.1 times as long as wide, apex caudate or short to long acuminate with a blunt tip, base rounded to cuneate, glabrous or puberulent on midrib above, glabrous or puberulent beneath, secondary veins 7-24 pairs with 2-19 mm spacing, 55-80° from midrib. Inflorescence dichasial or with cincinnate branches, 3.5-14 cm long with axes 0.5-10 cm long and branches 0.3-3.1 mm wide, glabrous to densely puberulent; peduncle 0-1.8 cm by 1.2-3.2 mm, glabrous to densely puberulent; pedicels 0.5-2.5 mm long, glabrous to densely puberulent; subtending bracts persistent; bracts present on pedicel. Sepals ovate or oblong, 1.5-2.9 by 1-3.2 mm, 0.8-2 times as long as wide, apex rounded, ciliate, glabrous to densely puberulent outside, glabrous or puberulent on upper half inside. Corolla completely white, white with yellow ‘eye’, white and green or, rarely, pinkish white; tube 25-44 by 1.6-2.8 mm, 1.2-2.4 times as long as lobes, 10.9-19.5 times as long as calyx, pubescent around stamens and slightly beneath inside, throat pubescent, glabrous or sparsely puberulent at top of tube outside; lobes 11.5-33 by 4.6-19 mm, 1.7-4.1 times as long as wide, elliptic or obovate, apex rounded, ciliate or not, glabrous outside and inside. Stamens 22-33 mm from corolla base which is 0.7-0.9 of corolla tube length in rehydrated flowers; anthers 1.8-2.8 by 0.4-0.8 mm, 2.6-5.6 times as long as wide, apex 2.4-5 mm from corolla throat; filaments 0.5-0.8 mm long, glabrous or pubescent. Disk 0.9-1.9 mm long, 0.8-1.9 times as long as ovaries, glabrous, awl-shaped or deltoid, apex acute, acuminate or irregularly toothed. Ovaries 0.9-1.5 mm high, sparsely to densely pubescent, or mostly glabrous with a few hairs; style 20-31.5 mm long; style head 1-1.3 mm long. Fruit falcate with a blunt hooked spur from about the middle of the fruit, 13.5-17 by 4.5-6 by 6-9 mm, hook 3-5 mm long, sparsely puberulent.
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