Ptychopyxis is a genus of plant of the family Euphorbiaceae first described in 1861.Miquel, Friedrich Anton Wilhelm. 1861. Flora van Nederlandsch Indie, Eerste Bijvoegsel 402 in LatinTropicos, Ptychopyxis Miq. It is native to Southeast Asia and New Guinea.Kew World Checklist of Selected Plant FamiliesStoops, E. & van Welzen, P.C. (2013). A revision of Ptychopyxis (Euphorbiaceae) in southeast Asia. Nordic Journal of Botany 31: 94-112.
Species Ptychopyxis arborea - Borneo Ptychopyxis bacciformis - Vietnam, Borneo, Sumatra, Philippines, W Malaysia Ptychopyxis caput-medusae - W Malaysia Ptychopyxis chrysantha - New Guinea Ptychopyxis costata - Borneo, Sumatra, W Malaysia Ptychopyxis glochidiifolia - Sumatra, Sarawak, Brunei, Kalimantan Timur Ptychopyxis grandis - Borneo Ptychopyxis javanica - S Thailand, Vietnam, W Malaysia, Borneo, Sumatra, Java Ptychopyxis kingii - W Malaysia, E Sumatra, Sarawak, Sabah Ptychopyxis plagiocarpa - S Thailand, S Myanmar
formerly included moved to Koilodepas Ptychopyxis frutescens - Koilodepas frutescens Ptychopyxis thwaitesii - Podadenia sapida
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