Shrub or small tree, up to 3 m. Branchlets smooth, glabrous, yellowish-green to reddish-brown. Leaves chartaceous, greenish when dry and glabrous on both surfaces, elliptic-oblong, rarely lanceolate, 10-18 by 2.5-6.5 cm; base obtuse, acute or cuneate; apex acuminate; nerves 6-10 pairs, curving and ascending towards the margin, elevated beneath, plane and distinct above, veins reticulate, usually rather dense, elevated beneath, distinct or obscure above. Inflorescences terminal and/or in the axils of the terminal node, umbelliform, 10-12-flowered; peduncles c. 2-4 mm with a pair of opposite, green, and obovate-oblong bracts (4 by 2 mm) at the upper part; involucral bracts 4, green, glabrous, caducous after anthesis, oblong or elliptic-oblong, 8-10 by 4-6 mm. Flowers 2-3.5 cm long. Floral tube cylindric, slightly dilated towards the top, glabrous outside, puberulous or pubescent inside. Calyx lobes 5(-4), oblong, ovate or orbicular, 2-4.5 by 2-3 mm, puberulous on the margins and top outside and the whole surface inside. Stamens included; filaments 0.5-3 mm; anthers c. 1 mm long. Disk cup-shaped, crenate, membranous. Pistil usually shorter than the tube, rarely exserted. Ovary ovoid, c. 2.5 mm long, hairy at the apex; style filiform; stigma oblong or slightly globose. Fruits globose or slightly obovoid, 1.5-2 by 1.5-2 cm, slightly compressed, constricted at the base into a 3 mm long stipe. Seeds broadly ellipsoid, 5.5 by 7 mm.
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