Tree or shrub to 6 m tall, to 15 cm dbh. Bark brown, slightly flaky. Branchlets glabrous, sparsely lenticellate or not, terete. Leaves: petiole 1-2 mm long, glabrous; blade papery, elliptic, oblong or ovate, 3.2-13.7 by 1.2-4.5 cm, 2.2-4.6 times as long as wide, apex caudate, base acute to cuneate, glabrous above and beneath, secondary veins 16-30 pairs with 1-3 mm spacing, 70-80° from midrib. Inflorescence delicate, lax, dichasial or flowers solitary, 3.7-17 cm long with axes 1.1-15 cm long and branches 0.5-5 mm wide, sparsely puberulent; peduncle 0.2-2.2 cm by 0.4-5 mm, puberulent, pedicels 4.5-5 mm long, glabrous or sparsely puberulent, subtending bracts persistent, bracts normally 2 on pedicel. Sepals ovate, 1 by 0.9-1 mm, 1-1.1 times as long as wide, rounded, ciliate, glabrous. Corolla completely white or yellowish; tube 16-17 by 1.8 mm, 1.1-1.4 times as long as lobes, 16-17 times as long as calyx, pubescent around stamens and slightly beneath inside, throat glabrous or with a few sparse hairs, glabrous outside; lobes 11.5-15 by 2.4-3 mm, 3.8-6.25 times as long as wide, narrowly elliptic or oblong, apex obtuse, not ciliate, glabrous outside and inside. Stamens inserted c. 14 mm from corolla base which is c. 0.8 of corolla tube length in rehydrated flowers; anthers c. 2 by 0.4 mm, c. 5 times as long as wide, apex c. 2 mm from corolla throat; filaments c. 0.4 mm long, pubescent. Disk c. 0.6 mm long, c. 0.7 times as long as ovaries, glabrous, awl-shaped, apex obtuse. Ovaries c. 0.9 mm high, glabrous; style c. 13 mm long; style head c. 0.9 mm long. Fruit flattened oblique ellipsoid with a blunt hooked spur, 12.5-15 by 5.6-7.3 by 3-3.4 mm, spur 3-4 mm long, sparsely puberulent.
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