Trees to 7 m high; branches terete, slightly sulcate, grayish to light brown, glabrous, lenticellate, the lenticels slightly elevated. Leaves 1-foliolate, 11-21 cm long, 3.0-9.2 cm broad, coriaceous, elliptic to narrowly elliptic, attenuate at the base, acuminate at the apex, pellucid punctate, glabrous, the lateral veins 5-11 pairs, prominent beneath; petiole slightly winged above, swollen and becoming woody at the base, articulated near the base of the lamina, 9-16 mm long. Inflo-rescences terminal and axillary; corymbs congested, 12-22 flowered; peduncles erect to semi-erect, conspicuously lenticellate, 1.2-3.5 cm long. Flowers white; calyx campanulate, pellucid punctate, puberulous, 3-4 mm long, the lobes trans-versely ovate, the apex acute, minutely ciliate, 0.5-1.0 mm long; corolla puberu-lous, conspicuously pellucid punctate, 2.3-3.0 cm long; tube cylindrical, arcuate in bud, 1.1-1.4 cm long, the lobes imbricate in aestivation, narrowly obovate, the apex acute, dilated to slightly recurved, 1.3-1.6 cm long, to 3.5 mm wide; stamens 6-7, included, inserted near the apex of the tube, the filaments short, to 1 mm long, fertile anthers 2, 4-6 mm long, basifixed, longitudinally dehiscent; staminodea free, complanate, 6-8 mm long; ovary 5-carpellate, the style cylin-drical, 10-12 mm long; stigma 5, oblong, 1-2 mm long. Capsules 5-locular, subglobose, 1.0-1.5 cm long, the cocci basally connate, carinate, dehiscing from the apex to near the middle; endocarp cartilagenous, bivalvate, 1-seeded, basally fused, the wings obtuse at the apex; seeds orbicular to obovoid, slightly com-pressed laterally, pubescent.
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