Semecarpus lineatus is a flowering plant in the family Anacardiaceae. It is native to Borneo.

Description

Semecarpus lineatus grows as a tree up to 5m (20ft) tall, with a stem diameter of up to 10cm (4in). The twigs are furrowed. The leaves measure up to 43cm (17in) long and to 2cm (0.8in) wide. The inflorescences, in panicles, feature green flowers.

Taxonomy

Semecarpus lineatus was described by Indonesian botanist André Kostermans in Blumea in 1988. The type specimen was collected in Lahad Datu in Sabah, Borneo. The specific epithet lineatus means 'with fine lines', referring to the twigs.

Distribution and habitat

Semecarpus lineatus is endemic to Borneo, where it is confined to Mount Silam and the Danum Valley in Sabah. Its habitat is in hill forests, at elevations of 30–600m (100–2,000ft).

Conservation

Semecarpus lineatus has been assessed as endangered on the IUCN Red List. It is threatened by forest fires and by conversion of its habitat for agriculture. However the species is present in two protected areas: Sungai Taliwas and Sapagaya Forest Reserves.