''Rhinotropis'' is a small

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 ...

in the family

Polygalaceae The Polygalaceae or the milkwort family are made up of flowering plants in the order Fabales. They have a near-cosmopolitan range, with about 27 genera and ''ca''. 900 known species of herbs, shrubs and trees. Over half of the species are in on ...

. It was separated as a genus from ''

Polygala ''Polygala'' is a large genus of flowering plants belonging to the family Polygalaceae. They are commonly known as milkworts or snakeroots. The genus is distributed widely throughout much of the world Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

, California,

Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...

Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...

, New Mexico, Texas and

Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...

) and to Mexico.

Species

, ''

Plants of the World Online Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew. History Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...

'' accepted the following species: *'' Rhinotropis acanthoclada'' (A.Gray) J.R.Abbott *'' Rhinotropis californica'' (Nutt.) J.R.Abbott *''

Rhinotropis cornuta ''Rhinotropis'' is a small genus in the family Polygalaceae. It was separated as a genus from ''Polygala'' by J. Richard Abbott in 2011. It is native to the south and west of the United States (Arizona, California, Colorado, Nevada, New Mexico, T ...

'' (Kellogg) J.R.Abbott *'' Rhinotropis desertorum'' (Brandegee) J.R.Abbott *'' Rhinotropis heterorhyncha'' (Barneby) J.R.Abbott *'' Rhinotropis intermontana'' (T.Wendt) J.R.Abbott *''

Rhinotropis lindheimeri ''Rhinotropis'' is a small genus in the family Polygalaceae. It was separated as a genus from ''Polygala'' by J. Richard Abbott in 2011. It is native to the south and west of the United States (Arizona, California, Colorado, Nevada, New Mexico, T ...

'' (A.Gray) J.R.Abbott *'' Rhinotropis madrensis'' (T.Wendt) J.R.Abbott *'' Rhinotropis maravillasensis'' (Correll) J.R.Abbott *'' Rhinotropis minutifolia'' (Rose) J.R.Abbott *'' Rhinotropis nitida'' (Brandegee) J.R.Abbott *'' Rhinotropis nudata'' (Brandegee) J.R.Abbott *''

Rhinotropis parryi ''Rhinotropis'' is a small genus in the family Polygalaceae. It was separated as a genus from ''Polygala'' by J. Richard Abbott in 2011. It is native to the south and west of the United States (Arizona, California, Colorado, Nevada, New Mexico, T ...

'' (A.W.Benn.) J.R.Abbott *''

Rhinotropis purpusii ''Rhinotropis'' is a small genus in the family Polygalaceae. It was separated as a genus from ''Polygala'' by J. Richard Abbott in 2011. It is native to the south and west of the United States (Arizona, California, Colorado, Nevada, New Mexico, T ...

'' (Brandegee) J.R.Abbott *''

Rhinotropis rimulicola ''Rhinotropis'' is a small genus in the family Polygalaceae. It was separated as a genus from ''Polygala'' by J. Richard Abbott in 2011. It is native to the south and west of the United States (Arizona, California, Colorado, Nevada, New Mexico, T ...

'' (Steyerm.) J.R.Abbott *''

Rhinotropis rusbyi ''Rhinotropis'' is a small genus in the family Polygalaceae. It was separated as a genus from ''Polygala'' by J. Richard Abbott in 2011. It is native to the south and west of the United States (Arizona, California, Colorado, Nevada, New Mexico, T ...

'' (Greene) J.R.Abbott *''

Rhinotropis subspinosa ''Rhinotropis subspinosa'', synonym ''Polygala subspinosa'', is a species of flowering plant in the milkwort family known by the common name spiny milkwort. It is native to the southwestern United States, where it grows in desert and plateau hab ...

'' (S.Watson) J.R.Abbott

References

Polygalaceae Fabales genera Flora of the Southwestern United States Flora of the South-Central United States Flora of Mexico {{Polygalaceae-stub