Hopea sphaerocarpa is a tree in the family Dipterocarpaceae. It is native to Borneo.
Description Hopea sphaerocarpa grows up to tall, with a trunk diameter of up to . It has buttresses, including flying (detached) buttresses, and stilt roots. The bark is smooth. The papery leaves are ovate to lanceolate and measure up to long. The inflorescences measure up to long and bear dark red flowers. The nuts are egg-shaped and measure up to long.
Taxonomy The species was originally described as Balanocarpus sphaerocarpus by French botanist Frédéric Louis Heim in 1892, as part of his doctoral thesis. In 1963, British botanist Peter Shaw Ashton transferred the species to the genus Hopea. The type specimen was collected in Sarawak, Borneo. The specific epithet sphaerocarpa means 'round fruit'.
Distribution and habitat Hopea sphaerocarpa is endemic to Borneo. Its habitat is dipterocarp forests near rivers, at elevations to .
Conservation Hopea sphaerocarpa has been assessed as near threatened on the IUCN Red List. It is threatened by conversion of land for palm oil plantations and other intensive agriculture. It is also threatened by logging activities. The species is found in some protected areas.
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