''Aparisthmium'' is a

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 ...

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 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 1840.Tropicos
/ref> It contains only one known species, ''Aparisthmium cordatum'', native to South America and Costa Rica.Kew World Checklist of Selected Plant Families
/ref>Webster, Grady L. 1994. Synopsis of the Generic and Suprageneric Taxa of Euphorbiaceae. Annals of the Missouri Botanical Garden 81(1):33-144. (see ''Aparisthmium'' discussion on page 82)

References

Alchorneae Monotypic Euphorbiaceae genera Trees of Peru Taxa named by Henri Ernest Baillon Taxa named by Adrien-Henri de Jussieu {{Euphorbiaceae-stub