Growth

Eurycoma longifolia is a small everred treelet growing to 15 m (49 ft) tall, with spirally arranged, pinnate leaves 20–40 cm (8–16 inches) long with 13–41 leaflets. The flowers are dioecious, with male and female flowers on different trees; they are produced in large panicles, each flower with 5–6 very small petals. The fruit is green ripening dark red, 1–2 cm long and 0.5–1 cm broad.