Parastemon is a genus of plant in the family Chrysobalanaceae described as a genus in 1842.Candolle, Alphonse Louis Pierre Pyramus de. 1842. Annales des Sciences Naturelles; Botanique, sér. 2 18: 208Tropicos, Parastemon A. DC. It is native to Southeast Asia and to Papuasia.Kew World Checklist of Selected Plant Families
Species Parastemon grandifructus - Sarawak, Sabah Parastemon urophyllus - Nicobar Islands, Thailand, Peninsular Malaysia, Borneo, Sumatra Parastemon versteeghii - Sulawesi, Maluku, New Guinea, Admiralty Islands
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