Rhexia is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of plants in the Melastomataceae

Melastomataceae

right|thumb|200px|Characteristic venation of many melastomesThe family Melastomataceae is a taxon of dicotyledonous flowering plants found mostly in the tropics comprising some 200 genera and 4500 species...

 family. Like many other flowers in that family, Rhexia virginica is buzz pollinated and has yellow stamens which change color following the first day of flowering. In North America, Rhexia is the only temperate

Temperate

In geography, temperate or tepid latitudes of the globe lie between the tropics and the polar circles. The changes in these regions between summer and winter are generally relatively moderate, rather than extreme hot or cold...

 genus in the family; the others are confined to warmer areas.

Species List

North America

Rhexia alifanus

Rhexia aristosa

Rhexia cubensis

Rhexia lutea

Rhexia mariana

Rhexia nashii

Rhexia nuttallii

Rhexia parviflora

Rhexia petiolata

Rhexia salicifolia

Rhexia virginica