Antirrhinum is a genus of plants commonly known as dragon flowers or snapdragons because of the flowers' fancied resemblance to the face of a dragon that opens and closes its mouth when laterally squeezed. They are also sometimes called toadflax or dog flower. They are native to rocky areas of Europe, the United States, Canada, and North Africa. Antirrhinum species are widely used as ornamental plants in borders and as cut flowers.
John Thomas Howell was an American botanist and taxonomist. He became an expert of Eriogonum (buckwheat) species, which are widely represented in the native California flora.
Crossopetalum, commonly known as Christmas-berries or maiden berries, is a genus of flowering plants in the family Celastraceae. It comprises about 30-40 species.
Chlamydocardia is a genus of flowering plants belonging to the family Acanthaceae.
Murbeckiella is a genus of 5 species of flowering plants in the mustard family Brassicaceae. The species of the genus are native to mountainous areas in Southern Europe, the Caucasus and Northwest Africa.
Heeria is a monotypic genus of flowering plants belonging to the family Anacardiaceae. The only species is Heeria argentea.
Hornea is a monotypic genus of flowering plants belonging to the family Sapindaceae. The only species is Hornea mauritiana.
Fryxellia is a monotypic genus of flowering plants belonging to the family Malvaceae. It contains only one species, Fryxellia pygmaea(Correll) D.M.Bates.
Ellisiophyllum is a monotypic genus of flowering plants belonging to the family Plantaginaceae. It contains a single species, Ellisiophyllum pinnatum(Wall. ex Benth.) Makino
Donnellsmithia is a genus of flowering plants belonging to the family Apiaceae.
Heppiella is a genus of flowering plants belonging to the family Gesneriaceae.
Hohenackeria is a genus of flowering plants belonging to the family Apiaceae.
Maguireocharis is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, Maguireocharis neblinaeSteyerm.
Pitraea is a monotypic genus of flowering plants belonging to the family Verbenaceae. It only contains one known species, Pitraea cuneato-ovata(Cav.) Caro
Elmera racemosa is a species of flowering plant belonging to the family Saxifragaceae. It is the sole species in genus Elmera.
Gardneria is a genus of flowering plants belonging to the family Loganiaceae.
Guilfoylia is a monotypic genus of flowering plants belonging to the family Surianaceae. The only species is Guilfoylia monostylis.
Ivanjohnstonia is a monotypic genus of flowering plants belonging to the family Boraginaceae. The only species is Ivanjohnstonia jaunsariensisKazmi Its native range is the Western Himalaya.
Maguireanthus is a monotypic genus of flowering plants belonging to the family Melastomataceae. The only species is Maguireanthus ayangannaeWurdack.
Ernestia is a genus of plant in family Melastomataceae.
