Aceratium
Aceratium is a genus of about 20 species of trees and shrubs of eastern Malesia and Australasia from the family Elaeocarpaceae. In Australia, they are commonly known as carabeens. They grow naturally in rainforests, as large shrubs to understorey trees and large trees.
They grow naturally in New Guinea, the centre of diversity, in New Britain, New Ireland, Vanuatu, Sulawesi, Moluccas, and in Australia, where botanists have formally described five species endemic to the Wet Tropics rainforests of northeastern Queensland.
Some species have uses for their fruits as food and, although not yet well known, some have popularity in cultivation, for example in Brisbane.
Species
20 species are accepted.Aceratium archboldianum – New GuineaAceratium brassii – New GuineaAceratium calomala – PhilippinesAceratium concinnum – Qld, AustraliaAceratium dasyphyllum – Maluku Aceratium doggrellii – Qld, AustraliaAceratium ferrugineum – Qld, AustraliaAceratium hypoleucum – New GuineaAceratium ledermannii – New Guinea, New BritainAceratium megalospermum – Qld, AustraliaAceratium muellerianum – New Guinea Aceratium oppositifolium – Sulawesi, Moluccas, New Guinea region: Kai Islands through to the Santa Cruz group, New Britain, New Ireland, Solomon IslandsAceratium pachypetalum – W New GuineaAceratium parvifolium – New GuineaAceratium pittosporoides ; Syn: A. breviflorum – New GuineaAceratium sericeum – W New GuineaAceratium sericoleopsis – Qld, AustraliaAceratium sinuatum – New GuineaAceratium sphaerocarpum ; Syn: A. erythrocarpum – New GuineaAceratium tomentosum – New Guinea