Richetia collaris

Richetia collaris is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet collaris means 'neck' and refers to the calyx of the fruit.

Description

Richetia collaris grows up to tall, with a trunk diameter of up to. It has buttresses measuring up to tall. The cracked bark is yellow to brown. The papery leaves are oblong to lanceolate and measure up to long. The inflorescences measure up to long and bear up to eight flowers. The nuts are egg-shaped and measure up to long.

Distribution and habitat

Richetia collaris is endemic to central Sarawak on Borneo. Its habitat is mixed dipterocarp forests up to elevation.

Conservation

Richetia collaris has been assessed as vulnerable on the IUCN Red List. It is threatened by logging, including for its timber. It is also threatened by expansion of land for plantations, including for palm oil and other tree species. The species is not found in any protected areas.