Sarcotheca diversifolia, also known as pupoi or belimbing bulat in Malay and more locally as tabarus, piang or belimbing hutan, is a species of flowering plant, a fruit tree in the wood sorrel family, that is native to Southeast Asia.
The species grows as a tree to 30 m in height, with a fluted bole of up to 5 m, sometimes with buttresses up to 2 m. The oval leaves are 3âÂÂ10 cm long by 1âÂÂ5 cm wide. The inflorescences comprise clusters of panicles of pink and purple flowers in the leaf axils. The oval berries are 2âÂÂ3 cm by 1.5âÂÂ2 cm in diameter, green to yellowish-green ripening yellow, with the seeds contained in the edible, juicy, fleshy, translucent to white mesocarp. The species is occasionally cultivated and the fruits eaten raw or cooked with meat and vegetables.
The species is found in Borneo and Sumatra. It occurs in mixed lowland and hill dipterocarp, peatswamp and secondary forests, up to an elevation of 900 m.