Prismatomeris tetrandra

Prismatomeris tetrandra is a shrub or small tree. It grows up to 8 metres (26 ft) high. The branches are tetrangular to subcylindrical. The leaf stems are 4–15 millimetres (0.16–0.59 in) long. The leaves are lanceolate, elliptic, oblong, ovate, or obovate, 4–18 centimetres (1.6–7.1 in) long, and 2–6 centimetres (0.79–2.36 in) wide. When dry, the leaves are leathery, or stiffly papery and shiny. The inflorescence is a fascicle or umbel, measuring 5–35 millimetres (0.20–1.38 in) long. When present, the flower stems are 5–15 millimetres (0.20–0.59 in) long. The hypanthium is hemispherical. The corolla is a white or pale purple tube, measuring 14–20 millimetres (0.55–0.79 in) long. The corolla has four or five lobes, which are lanceolate, and 7–10 millimetres (0.28–0.39 in) long. The plant flowers from May to September. The fruit is a smooth, subglobose drupe measuring 8–12 millimetres (0.31–0.47 in) wide. The plant fruits from September to December.

Prismatomeris tetrandra is native to the wet tropical biome of Bangladesh, Borneo (Sabah and Kalimantan), Cambodia, China (Fujian, Guangdong, Guangxi, Hainan, and southern Yunnan), India (the Andaman Islands and Assam), Peninsular Malaysia, Myanmar, the Philippines, Sri Lanka, Thailand, and Vietnam. Its extent of occurrence is at least 9,519,590 square kilometres (3,675,530 sq mi). The species grows in forests and thickets, at elevations of 300–2,400 metres (980–7,870 ft).