''Protorhus'' is a small

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

Afrotropical The Afrotropical realm is one of the Earth's eight biogeographic realms. It includes Sub-Saharan Africa, the southern Arabian Peninsula, the island of Madagascar, and the islands of the western Indian Ocean. It was formerly known as the Ethiopi ...

trees in the family

Anacardiaceae The Anacardiaceae, commonly known as the cashew family or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. Members of the Anacardiaceae bear fruits that are drupes and in some cases produce ...

. It is

dioecious Dioecy ( ; ; adj. dioecious, ) is a characteristic of certain species that have distinct unisexual individuals, each producing either male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproduction is ...

, with male and female flowers on separate plants.

Taxonomy

''Protorhus'' is placed in

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide use of the term in English is in the discipline of anthropology. The definition is contested, in part due to conflict ...

Rhoeae, subfamily

Anacardioideae Anacardioideae is a subfamily of plants in the family Anacardiaceae The Anacardiaceae, commonly known as the cashew family or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. Members of t ...

of the family Anacardiaceae. The genus '' Abrahamia'' with 19 Madagascan taxa was separated from ''Protorhus'' in 2004.(Pell 2004)

Species

The species are: * ''

Protorhus fulva ''Protorhus'' is a small genus of Afrotropical trees in the family Anacardiaceae. It is dioecious, with male and female flowers on separate plants. Taxonomy ''Protorhus'' is placed in tribe Rhoeae, subfamily Anacardioideae of the family Anacard ...

'' Engl. –

Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...

* '' Protorhus longifolia'' (Bernh.) Engl. –

South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...

* '' Protorhus thouarsii'' Formerly listed; * ''Protorhus buxifolia'' H. Perrier, transferred to '' Abrahamia buxifolia'' (H. Perrier) Randrian. & Lowry

References

Bibliography

* {{Taxonbar, from=Q9063326 Anacardiaceae genera Dioecious plants Taxa named by Adolf Engler