Prismatomeris beccariana is a species of flowering plant in the family Rubiaceae. It is a tree native to Borneo. The species was first validly described in 1891, and is listed as of Least Concern by the IUCN.
Taxonomy Prismatomeris beccariana was first validly published by Karl Moritz Schumann in 1891, following an earlier invalid publication by Henri Ernest Baillon. It was initially placed in the genus Morinda. In 1987, Jan Thomas Johansson placed it in the genus Prismatomeris.
Distribution Prismatomeris beccariana is native to the wet tropical biome of Borneo. It is found in Sabah, Sarawak, Brunei and Kalimantan. The species' estimated extent of occurrence is .
Prismatomeris beccariana grows at elevations of up to .
Description Prismatomeris beccariana is a tree. It grows up to high.
Conservation In 2026, the IUCN assessed Prismatomeris beccariana as of Least Concern. It occurs in protected areas, including Maliau Basin, Gunung Mulu National Park, Ulu Temburong National Park, and Kayan Mentarang National Park.
The species faces no major threats, though some populations are affected by land use change.
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