Rhopalocarpus randrianaivoi

Rhopalocarpus randrianaivoi is a tree in the family Sphaerosepalaceae. It is endemic to Madagascar. It is named for the authors' colleague and specimen collector Richard Randrianaivo.

Description
Rhopalocarpus randrianaivoi grows as a tree up to 25 m tall. The coriaceous leaves are elliptic in shape and measure up to 9 cm long. The species is not known to have any flowers. The fleshy fruits are coloured brown. They may be spherical or two-lobed and measure up to 2.7 cm across.

Distribution and habitat
Rhopalocarpus randrianaivoi is known only from a few locations in the northeastern region of Sava. Its habitat is humid or subhumid evergreen forests from sea-level to 500 m altitude.

Threats
Rhopalocarpus randrianaivoi is threatened by shifting patterns of agriculture which are causing deforestation. The species is not present in any protected areas.