Branchlets glabrous. Leaves: petiole 5-11 mm long; blade elliptic, oblong or weakly obovate, 5.5-12.3 by 1.1-4.5 cm, 2-5 times as long as wide, apex acuminate, base cuneate to obtuse, 13-16 pairs of secondary veins, fairly straight and prominent with weaker intercalcated tertiary veins, glabrous above and beneath, punctate beneath. Inflorescence of short congested axillary cymes, occasionally also terminal, minutely densely puberulent to almost glabrous, 1-3.3 cm long; pedicels 1.7-3.3 mm long, bracteoles at base. Sepals ovate, 0.9-1.6 by 0.6-1.1 mm, 1.2-1.8 times as long as wide, apex acute, glabrous, ciliate. Corolla yellow; tube 3.4-4.8 mm long, 0.8-1 times as long as lobes; lobes 4-5 by 0.8-1.5 mm; glabrous outside, pubescent on inside of lobes and in tube. Stamens inserted at 0.6-0.7 mm from corolla base which is 0.1-0.2 of tube length; anthers 1.3-1.5 by 0.4-0.6 mm. Disk annular or 5-dentate, 0.3-0.5 mm long, 0.6-0.8 times as long as ovary. Ovaries 0.5-0.7 mm long; style and style head 0.7-1.2 mm long. Fruit unknown.