Large shrub, branches glabrous, terete, dichotomous, spreading; leaves opposite, mostly unequal in each pair; oblong, obovate-lanceolate or elliptic entire, acuminate, coriaceous, glossy, secondary nerves 5-6 pairs; petioles glandular; flowers in terminal cymes, snow-white, fragrant at night, showy; calyx glabrous, 5-partite up to middle, lobes broadly ovate, glandular within; corolla salver shaped, white; lobes lanceolate, tube long, swollen below the middle, lobes obliquely ovate, acute, lobes overlapping to left, margins curled; stamens-5, adnate at or middle of corolla-tube; filaments short, anthers sagitate at base, obtuse, free from stigma; disk absent; carpels 2, distinct; ovules usually numerous, many-seriate; style filiform; stigma short or long, 2-lobed; follicles spreading, recurved, beaked or ribbed, sessile or shortly stipitate, 3-ribbed, 3-6 seeded; seeds ovoid or oblong, striated, fleshy.