''Cladogelonium'' is a

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 ...

plant

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 ...

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 first described as a genus in 1939. The only known species is the shrub ''Cladogelonium madagascariense''. It is found in the

Analamerana Special Reserve Analamerana Special Reserve (or Analamera) is a wildlife reserve in the north of Madagascar. The reserve was created in 1956 to protect its endemic plants and animals, such as the critically endangered Perrier's sifaka (''Propithecus perrieri''), ...

in northern

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>

References

Monotypic Euphorbiaceae genera Crotonoideae Endemic flora of Madagascar Taxa named by Jacques Désiré Leandri {{Euphorbiaceae-stub