Hopea altocollina

Hopea altocollina is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet altocollina means "high hills", referring to the species' habitat.

Description
Hopea altocollina grows up to 50 m tall, with a trunk diameter of up to 1.8 m. It has buttresses up to 4 m tall. The bark is fissured and flaky. The leathery leaves are lanceolate and measure up to 10 cm long. The inflorescences measure up to 8 cm long and bear cream flowers. The nuts are egg-shaped and measure up to 0.7 cm long.

Distribution and habitat
Hopea altocollina is endemic to Borneo. Its habitat is dipterocarp forests, at elevations of 800–1000 m.

Conservation
Hopea altocollina has been assessed as endangered on the IUCN Red List. It is threatened by logging for its timber. The species is found in some protected areas.