Oncostemum pentagonum

Oncostemum pentagonum is a species in the genus Oncostemum of the family Primulaceae. It was first described by H. Perrier in 1953.

Related species

Oncostemum ricnanense

Oncostemum phyllarthoides

Oncostemum musicola

Oncostemum pachybotrys

Oncostemum platycladum

Oncostemum phyllanthoides

Primula septemloba

Primula calliantha

Primula yunnanensis

Primula sonchifolia

Lysimachia rupestris

Primula bullata