Leaves subcoriaceous, drying pale brown or yellowish–brown, often wilted on the tree or wilting soon after picking, and consequently in herbarium specimens usually with revolute or undulate margins; lamina 4·5 x 2·5–1·0 x 4·5 cm., elliptic or obovate, apex usually subacute to subacuminate, sometimes broadly rounded or emarginate; lower surface glabrous, lateral nerves in 5–9 pairs, indistinct.
Corolla c. 0·8 cm. long, infundibuliform; minutely puberulous outside; tube 0·4 cm. long, 0·2 cm. wide below, expanded above; lobes 4(–6), 0·4 x 0·4 cm., suborbicular.
Calyx c. 0·7 cm. long, minutely puberulous outside, tube cup–shaped, 0·4 cm. long; lobes 4(6), reduplicate and alternating with slightly decurrent sinuses.
Corolla c. 0·8 cm. long, campanulate; tube no longer than the calyx, 0·4–0·4 cm.; lobes 4, 0·4 x 0·5 cm., hemi–orbicular.
Staminodes c. 15, 0·3 cm. long, glabrous, attached to the corolla–tube, exserted and blocking the throat.
Male flowers 1–3 together in leaf–axils and in axils of fallen leaves; pedicels 0·1–0·3 cm. long.
Female flowers solitary or in pairs in leaf axils and in axils of fallen leaves, subsessile.
Much and stiffly branched, erect evergreen shrub or small bushy tree up to 7 (9) m. tall.
Ovary 0·2 x 0·2 cm., minutely puberulous; styles 3–4, 0·3 cm. long; locules 6–8.
Seeds 6 or 8 or fewer by abortion, 1·2 x 0·6 x 0·4 cm., very dark brown.
Stamens c. 30, 0·3 cm. long, glabrous; filaments 0·05 cm. long.
Fruiting calyx up to 1–2 cm. long, indistinctly lobed.
Calyx c. 0·4 cm. long, minutely puberulous outside.
Fruit c. 1·5 x 1·5 cm., globose, glabrous.