''Gymnanthes'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

s in the

spurge ''Euphorbia'' is a large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae. Euphorbias range from tiny annual plants to large and long-lived trees, with perhaps the tallest being '' Euphorbia ampliphyl ...

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

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 Euphorbia, the type genus of the family. Most spurges, such as ''Euphorbia paralias'', ar ...

, first described as a genus in 1788.Tropicos, Gymnanthes Sw.
/ref> It is found primarily in the warmer parts of the Western Hemisphere (from Florida and Mexico south to Argentina), but with some species in central Africa and southwestern Southeast Asia.Kew World Checklist of Selected Plant Families
/ref> Members of the genus are commonly known as oysterwood. The genus has 45

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

and is

pantropical A pantropical ("all tropics") distribution is one which covers tropical regions of both the Eastern and Western hemispheres. Examples of species include caecilians, modern sirenians and the plant genera ''Acacia'' and ''Bacopa''. ''Neotropical' ...

. ;Species ;Species moved to other genera: ''

Actinostemon ''Actinostemon'' is a plant genus of the family (biology), family Euphorbiaceae first described as a genus in 1841. It is native to South America, Central America, and the West Indies.González Ramírez, J. 2010. Euphorbiaceae. En: Manual de Plan ...

Ditrysinia ''Ditrysinia'' is a plant genus of the family Euphorbiaceae first described as a genus in 1825. It contains only one recognized species, ''Ditrysinia fruticosa'', the Gulf Sebastian-bush, native to the southeastern United States (E Texas, Louisia ...

Microstachys Microstachys is a genus of plants in the 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 Euphorbia, the type genus of th ...

Sebastiania ''Sebastiania'' is a genus of flowering plants in the family Euphorbiaceae first described in 1821. It is native to North and South America from Arizona and the West Indies south to Uruguay Uruguay, officially the Oriental Republic of ...

Stillingia ''Stillingia'' is a plant genus of the family (biology), family Euphorbiaceae, first described for modern science as a genus in 1767. The genus is native to Latin America, the southern United States, and various islands in the Pacific Ocean, Paci ...

References

Hippomaneae Euphorbiaceae genera Pantropical flora Taxa named by Olof Swartz {{Euphorbiaceae-stub