A medium-sized evergreen tree growing to a height of 15-20m and a diameter at breast height of 40-50cm. Leaves alternate; petiole 4—5 mm long; blade elliptical-lanceolate, 8—12.5 cm x 3.5—5.5 cm, with swollen marginal vein. Flowers are yellow, fine-haired; pedicel up to 1 cm long; floral tube campanulate, about 4 mm long; calyx lobes 5, ovate, accrescent, 12—15 mm x 11—12 mm, with 10 small petaloid appendages; stamens 10 in two whorls; pistil with 1 mm long style and blackish, globose stigma. Fruits are flattened, suborbicular capsule, 3—4 cm x 3 cm, yellow-haired, opening with 2 valves. Seeds 1—2, glossy black.

Stomachic, stimulant, aphrodisiac, tonic, diuretic and tranquillizer (wood)

PROSEA (Plant Resources of South-East Asia) Foundation
Earthnotes Herb Library

Benzylacetone and p-methoxybenzylacetone (wood)

In treating gastralgia, nausea, vomiting, anxiety, smallpox, rheumatism, in illnesses during and after childbirth, malaria and cholera (wood); for abdominal pain, asthma, cancer (used as a general tonic), colic, chest congestion, diarrhea, hiccups, nausea, nerves, and regurgitation (decoction of wood); for rheumatism (bark)