Plants 2–4 m. Stems ± terete, usually glabrous or glabrescent, rarely puberulent. Leaves: petiole 4–10 mm; blade 3–7(–9) × 2–4(–5) cm, coriaceous, base narrowly cuneate to rounded, apex emarginate, round, or acute, abaxial surface usually glabrescent, adaxial surface glabrous. Inflorescences (1–)2–6 cm. Pedicels 7–12 mm, (densely felted). Flowers nocturnal, fragrant; sepals orbiculate, decussate, proximal pair 5–7 × 10–12 mm, distal pair 3.5–5 × 1–1.5 mm, falling before anthesis, glabrous; petals white, becoming yellowish or reddish white, oblong-obovate, (10–)15–20 × 12 mm; stamens 40–60(–120) mm; gynophore 4–6(–8) cm. Capsules reddish brown to yellowish, irregularly constricted between seeds, 5–15(–28) × 9–13(–17) mm, seeds in 1 or 2 rows. Seeds green, 7–14 mm, covered with oily, white pulp. 2n = 16.
