Gentianaceae is a family of flowering plants of 103 genera and about 1600 species.
Crudia is a genus of plants in the family Fabaceae.
Sabicea is a genus of flowering plants in the family Rubiaceae. They are known commonly as the woodvines. The type species is Sabicea cinerea. There are about 145 species. Most are distributed in tropical Africa and South America.
Simira is a genus of plants in the family Rubiaceae. It contains the following selected species:
Voyria, commonly known as ghostplants, is a genus of 20 species of herbaceous perennial plants, belonging to the family Gentianaceae. They are mostly native to warm temperate and tropical regions of the Caribbean, Central America and South America, except for V. primuloides, which is found in West and Central Africa. V. parasitica reaches as far north as the Everglades in Florida.
Spigelia is a genus of flowering plants in the family Loganiaceae. It contains around 60 species, distributed over the warmer parts of the Americas, from the latitude of Buenos Aires to the Southern United States. It was named after Adriaan van den Spiegel by Carl Linnaeus in his 1753 Species Plantarum; the type species is Spigelia anthelmia. Pinkroot is a common name for plants in this genus.
Rhigospira is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1878 by John Miers. The species, Rhigospira quadrangularis was first described as Ambelania quadrangularis by Johannes Müller Argoviensis in 1860 but was transferred to the genus, Rhigospira, in 1878 by John Miers. The genus contains only one known species, Rhigospira quadrangularis, native to northwestern South America.
Symbolanthus, the ring‐gentians, are a genus of flowering plants in the family Gentianaceae, native to the montane tropics of southern Central America and northern and eastern South America.
Ambelania is a genus of flowering plants belonging to the family Apocynaceae.
Yanomamua is a genus of flowering plants belonging to the family Gentianaceae.
Touroulia is a genus of flowering plants belonging to the family Ochnaceae.
Chelonanthus is a genus of flowering plants belonging to the family Gentianaceae.
Chorisepalum is a genus of flowering plants belonging to the family Gentianaceae.
Conobea is a genus of flowering plants belonging to the family Plantaginaceae.
Coutoubea is a genus of flowering plants belonging to the family Gentianaceae.
Matayba is a genus of flowering plants belonging to the family Sapindaceae.
Norantea is a genus of flowering plants belonging to the family Marcgraviaceae.
Pacouria is a genus of flowering plants belonging to the family Apocynaceae.
Roraimaea is a genus of flowering plants belonging to the family Gentianaceae.
Piparea is a genus of flowering plants belonging to the family Salicaceae.
