Shrub or small tree. Leaves: petiole slender, 10-12 mm long; lamina lanceolate, 8-20 cm long, 1.5-3 cm wide, glabrous; base attenuate; margin entire; apex obtuse or obtusely acuminate; veins 5-11 pairs. Conflorescence c. 15 cm long; flowers sessile on a common peduncle. Tepals 2-3 cm long, purplish, glabrous except for short, appressed pubescence near apex abaxially. Anthers 4-5 mm long; mucro c. 0.5 mm long; filament c. 0.3 mm long. Hypogynous glands ±scutelliform. Ovary c. 2 cm long; ovules c. 4; style 2-2.5 cm long; pollen presenter 3-4 mm long. Fruit ±ovoid or hemispherical (or at least flat on one side), 3.5-5 cm long, verrucose. Seeds c. 4, ±angular, c. 1.8 cm long, 1.5-1.8 cm wide.