''Benoistia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

s or

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

s of the

spurge ''Euphorbia'' is a very large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae. "Euphorbia" is sometimes used in ordinary English to collectively refer to all members of Euphorbiaceae (in deference to t ...

family ( Euphorbiaceae) and the

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

subtribe Subtribe is a taxonomic category ranking which is below the rank of tribe and above genus. The standard suffix for a subtribe is -ina (in animals) or -inae (in plants Plants are predominantly photosynthetic eukaryotes of the kingdom Plant ...

Benoistiinae. It was first described as a genus in 1939. The entire genus is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

.Kew World Checklist of Selected Plant Families
/ref> It is

dioecious Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproductio ...

. ;Species # '' Benoistia orientalis'' Radcl.-Sm. - N + E Madagascar # '' Benoistia perrieri'' H.Perrier & Leandri - Madagascar # ''

Benoistia sambiranensis ''Benoistia'' is a genus of shrubs or trees of the spurge family ( Euphorbiaceae) and the monotypic subtribe Benoistiinae. It was first described as a genus in 1939. The entire genus is endemic to Madagascar. It is dioecious Dioecy (; ; adj. d ...

'' H.Perrier & Leandri - N Madagascar

References

Aleuritideae Euphorbiaceae genera Endemic flora of Madagascar Dioecious plants Taxa named by Joseph Marie Henry Alfred Perrier de la Bâthie Taxa named by Jacques Désiré Leandri {{Euphorbiaceae-stub