are simple, narrow lanceolate, 6–20 cm (2–8 in) long and 2–4.5 cm broad, smooth and glossy, with an entire margin. The flowers are greenish-white, with a slender tubular corolla 2-2.5 cm (1 in) long with five acute lobes, 10–13 mm diameter when open at night, and are produced in cymose inflorescences . A powerful, sweet perfume is