A shrub or tree up to 25 m tall, bole up to 70 cm in diameter. Leaves narrowly obovate to elliptical, 5—31 cm x 1—7(—8) cm, length-width ratio (1.7—)2.4—7, base cuneate, apex acuminate, apiculate or rounded, with 15—40 pairs of secondary veins. Inflorescence few- to many-flowered, up to 30 cm long, usually only one flower open at a time, sepals very variable in shape and size, length-width ratio 1.2—12, corolla tube narrowly infundibuliform, 17—55 mm long, with 5 lanate scales just below the mouth, lobes 15—50 mm long, usually white, but locally tinged pink or yellow at the base, stamens inserted just beneath the mouth, covered by the lanate scales. Fruit are egg-shaped consisting of 2 mericarps, ellipsoid, 5—12 cm x 3—7 cm x 3—5.5 cm, purplish-red or pale green. |