Trees 3-8 m tall, the branchlets terete, smooth, glabrous to puberulent. Leaves oblong, oblong rotund or oval, 6-17 cm long, 2.0-6.5 cm wide, deltoid at the apex, acuminate, the acumen to 1.5 cm long, acute, cuneate to acute at the base, the costa plane above, prominulous beneath, the lateral veins 8-12, arcuate, prominulous above and beneath, chartaceous, scarcely bicolorous, glabrous above except on veins, appressed villose on the veins beneath, the hairs often tufted in the vein axils; petioles to 4.5 cm long, to 0.2 cm wide, wiry, often arcuate and deflexed, densely pubescent; stipules deciduous, minute, broadly deltoid and glanduliferous (fide Standley). Inflorescences terminal or pseudo ter-minal, occasionally longer than the uppermost leaves, paniculate, the peduncles 3-4 cm long, villosulose, terminated by 3 primary branches, these to 2.5 cm long, strongly ascending, in turn branching, ultimately producing cymes. Flowers with the hypanthium oblong or turbinate, 1.6-2.0 mm long, ribbed, sparsely villose, the calyx cup scarcely measurable, the teeth reduced to 5 points, 0.2-0.6 mm
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long, acute; corolla yellow, the tube compressed cylindrical, ca. 2 mm long, usually wider than long, petaloid, glabrous, the lobes 4, imbricate, oblong, 3.5-5.0 mm long, ca. 4 mm wide, longer than the corolla tube, venose, glabrous within except granulose puberulent in the middle; stamens ?4, the anthers oblong, 3.0-4.2 mm long, ca. 0.6 mm wide, basally bilobed, the filaments to 3 mm long, attached at the apex of the tube; ovarian disc platelike, the stigmas 2, clavate or rotund, ca. 1.3 mm long, the style slender, to 7 mm long, the ovary oblong, the wall thin, the ovules numerous on intrusive placentas. Fruits turbinate, 0.4-0.5 cm long, ca. 0.35 cm wide at apex, truncate, the calycine cup thickened and persistent as a rim, smooth, glabrous, 8-costate, the lateral split not extending below the terminal ringlike rim.
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