Large trees. Leaves spirally arranged, clustered at end of branches, glabrous, broadly obovate, margins serrate-crenulate, decurrent onto petiole. Inflorescences terminal or lateral racemes to 20 cm long, erect, few-flowered. Flowers sessile. Calyx tube obpyramidal, not winged or angled; calyx lobes imbricate, ciliate at apex. Petals 4, alternate with sepals. Stamens numerous, inserted in 5-8 whorls, fused at base into a short tube, the innermost whorl staminodal; anthers basifixed, latrorse. Disc annular, well defined, c. 1.5 mm high. Ovary inferior, 4(-5)-locular; ovary surface concave inside disc to form a nectar reservoir c. 5 mm deep by 7 mm diam.; ovules many per locule, longitudinally aligned along axis, campylotropous; style filiform. Fruits ovoid-globose, to 6 cm long. Seeds numerous, embedded in a pulp; embryo undifferentiated, undivided, without cotyledons.
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