''Haematostemon'' 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 ...

plant Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclud ...

of 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 ...

first described as a genus in 1919. It is native to northeastern

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

(

Guyana Guyana ( or ), officially the Cooperative Republic of Guyana, is a country on the northern mainland of South America. Guyana is an indigenous word which means "Land of Many Waters". The capital city is Georgetown. Guyana is bordered by the ...

and S

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th ...

).Kew World Checklist of Selected Plant Families
/ref>Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela. ;Species # ''

Haematostemon coriaceus ''Haematostemon'' is a genus of plant of the family Euphorbiaceae first described as a genus in 1919. It is native to northeastern South America (Guyana and S Venezuela).Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flo ...

'' (Baill.) Pax & K.Hoffm. - Amazonas State in S

# ''

Haematostemon guianensis ''Haematostemon'' is a genus of plant of the family Euphorbiaceae first described as a genus in 1919. It is native to northeastern South America (Guyana and S Venezuela).Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flo ...

'' Sandwith -

Potaro-Siparuni Potaro-Siparuni (Region 8) is a region of Guyana. Venezuela claims the majority of the Region located west of the Essequibo River as part of Guayana Esequiba. It borders the region of Cuyuni-Mazaruni to the north, the regions of Upper Demerara-B ...

region of

References

Plukenetieae Flora of South America Euphorbiaceae genera {{Euphorbiaceae-stub