Ricinodendreae is a

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...

of the

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

Crotonoideae The Crotonoideae (crotonoids) are a subfamily within the family Euphorbiaceae. See also * Taxonomy of the Euphorbiaceae Here is a full taxonomy of the family Euphorbiaceae, according to the most recent molecular research. This complex famil ...

, under the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Euphorbiaceae Euphorbiaceae, the spurge family, is a large family of flowering plants. In English, they are also commonly called euphorbias, which is also the name of a genus in the family. Most spurges, such as ''Euphorbia paralias'', are herbs, but some, e ...

. It comprises 3

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

. * ''Givotia'' (from east Africa, Madagascar, India and Sri Lanka), **''

Givotia gosai Ricinodendreae is a tribe of the subfamily Crotonoideae, under the family Euphorbiaceae. It comprises 3 genera. * ''Givotia'' (from east Africa, Madagascar, India and Sri Lanka), **'' Givotia gosai'' **'' Givotia madagascariensis'' **'' Gi ...

'' **''

Givotia madagascariensis ''Givotia madagascariensis'', locally known as ''farafatsy'', is a commercially valuable softwood tree endemic to the southwestern Madagascar province formally known as Toliara Province. It is in the genus ''Givotia'' of the family ''Euphorbiace ...

'' **''

Givotia moluccana Ricinodendreae is a tribe of the subfamily Crotonoideae, under the family Euphorbiaceae. It comprises 3 genera. * ''Givotia'' (from east Africa, Madagascar, India and Sri Lanka), **''Givotia gosai'' **'' Givotia madagascariensis'' **'' Giv ...

'' **''

Givotia stipularis Ricinodendreae is a tribe of the subfamily Crotonoideae, under the family Euphorbiaceae. It comprises 3 genera. * ''Givotia'' (from east Africa, Madagascar, India and Sri Lanka), **''Givotia gosai'' **'' Givotia madagascariensis'' **'' Giv ...

'' *''Ricinodendron'' (from Tropical Africa), **''

Ricinodendron heudelotii ''Ricinodendron'' is a plant genus in the family Euphorbiaceae first described as a genus in 1864. It includes only one known species, ''Ricinodendron heudelotii'', native to tropical Africa from Senegal + Liberia east to Sudan and Tanzania and ...

'' *''Schinziophyton'' (from Angola, Botswana, Malawi, Mozambique, Namibia, Tanzania, Zambia, Zaïre and Zimbabwe), **''

Schinziophyton rautanenii The mongongo tree, mongongo nut or manketti tree (''Schinziophyton rautanenii'') is a member of the family Euphorbiaceae and of the monotypic genus ''Schinziophyton''. A large, spreading tree, the mongongo reaches 15–20 metres tall. It is ...

'' Notable species include

mongongo The mongongo tree, mongongo nut or manketti tree (''Schinziophyton rautanenii'') is a member of the family Euphorbiaceae and of the monotypic genus ''Schinziophyton''. A large, spreading tree, the mongongo reaches 15–20 metres tall. It is ...

(''Schinziophyton rautanenii'') and njangsa (''Ricinodendron heudelotii'').

Phylogeny

According to the

Open Tree of Life The Open Tree of Life is an online phylogenetic tree of life – a collaborative effort, funded by the National Science Foundation. The first draft, including 2.3 million species, was released in September 2015. The Interactive graph allows the u ...

, phylogenetic analysis suggests the following relationships amongst genera.

References

External links

Crotonoideae Euphorbiaceae tribes {{Euphorbiaceae-stub