Prismatomeris griffithii is a species of flowering plant in the family Rubiaceae. It is a shrub or tree with elliptical leaves. The species is native to south-east Asia.
Prismatomeris griffithii was described in 1920, and is listed as of Least Concern by the IUCN.
Taxonomy Prismatomeris griffithii was described by Henry Nicholas Ridley in 1920. It was formerly confused with Prismatomeris albidiflora.
Distribution Prismatomeris griffithii is native to the wet tropical biome of Peninsular Malaysia, Myanmar, and Thailand. Its extent of occurrence is around . The species grows in lowland forests, at elevations of .
Description Prismatomeris griffithii is a shrub or tree. The branches are slender and pale. The leaves are elliptical, thin, sub-leathery, around long, and around wide. The leaf stem is around long.
The inflorescence is a cyme with three flowers. The inflorescence stem is around long. The calyx is bell or funnel-shaped, around long, and has five teeth. The corolla is a tube around long. The flowers have five stamens.
The unripe fruits are globose.
Conservation In 2022, the IUCN assessed Prismatomeris griffithii as of Least Concern. The species is threatened by habitat loss and urban development. It is found in protected areas.
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