Opilia is a genus of approximately 33 species of lianas in the family Opiliaceae described as a genus in 1802.Roxburgh, William. 1802. Plants of the Coast of Coromandel 2: 31 in EnglishTropicos, Opilia Roxb.
Opilia is native to tropical and subtropical regions of Asia, Africa, Papuasia, and Australia.Hiepo, P. (2008). Species Plantarum: Flora of the World 12: 1-71. Australian Biological Resources Study, Canberra.Flora of China, Vol. 5 Page 205 山柚子 shan you zi Opilia amentacea Roxburgh, Pl. Coromandel. 2: 31. 1802.
SpeciesKew World Checklist of Selected Plant Families Opilia afzelii - Sierra Leone Opilia amentacea - trop Africa, Madagascar, India, Sri Lanka, Yunnan, SE Asia, Papuasia, N Australia Opilia campestris - Ethiopia, Somalia, Kenya, Tanzania, Angola, Namibia Opilia congolana - Cameroon, Gabon, Equatorial Guinea, Democratic Republic of the Congo Opilia fragrans - Philippines
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