''Xiphidium'' 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 ...

of herbs in the family

Haemodoraceae Haemodoraceae is a family of perennial herbaceous angiosperms (flowering plants) containing 15 genera and 102 known species, sometimes known as the "bloodroots", found throughout the Southern Hemisphere, from Australia and New Guinea to South A ...

first described as a genus in 1775. It is native to tropical Americas, from southern Mexico through the Caribbean, Central America, and northern South America to Bolivia and central Brazil.

species

Two species are accepted. * '' Xiphidium caeruleum'' Aubl. - Mexico (Veracruz, Oaxaca, Chiapas, Tabasco, Puebla, Yucatán), Central America (all 7 countries), West Indies, South America (Colombia, Venezuela, Brazil (Acre, Amazonas, Roraima, Pará, Maranhão, Amapá), Guyana, Suriname, French Guiana, Ecuador, Peru, Bolivia) *'' Xiphidium pontederiiflorum'' – Panama, Colombia, and Ecuador

formerly placed here

* '' Schiekia orinocensis'' (as ''Xiphidium angustifolium'' ) * '' Cubanicula xanthorrhizos'' (as ''Xiphidium xanthorrhizon'' C.Wright ex Griseb.)

Phylogeny

Comparison of homologous DNA has increased the insight in the phylogenetic relationships between the genera in the Haemodoroideae subfamily. The following trees represent those insights.

References

External links

* Haemodoraceae Commelinales genera Flora of the Neotropical realm Taxa named by Jean Baptiste Christophore Fusée Aublet {{Commelinales-stub