Shrub, generally 1-3 m high. Petiole to 1 cm long. Lamina 2-12-(14) × 0.5-3 cm, lanceolate to narrow-ovate, minutely puberulent when young, otherwise glabrous; base attenuate or cuneate; apex acute to short-acuminate. Infl. paniculate, dense; branches ± puberulent; fls subsessile or with pedicels to 7 mm long, fragrant nocturnally. Calyx 3-6 mm long; lobes 1 mm long, ± triangular, obtuse to subacute; margins shortly villous. Corolla 1.5-2.3 cm long, greenish yellow or pale brownish yellow; tube narrow-salverform, widening slightly above; lobes 3.5-6 mm long, narrow-triangular, patent, shortly villous inside and on margins, acute or short-acuminate. Fr. 7-10 × 6-8 mm, broad-ovoid to broad-ellipsoid, glossy, black or purplish black.