OperculicaryaOperculicarya is a plant genus in the family Anacardiaceae, native to Madagascar, the Comoro Islands, and Aldabra. They are small dioecious pachycaul trees which mainly grow in dry, rocky areas.TaxonomySpecies, Plants of the World online has 8 accepted species:Operculicarya borealis Operculicarya calcicola Operculicarya capuronii Operculicarya decaryi Operculicarya hirsutissima Operculicarya hyphaenoides Operculicarya multijuga ''Operculicarya pachypus''