Cercocarpus, commonly known as mountain mahogany, is a small genus of at least nine species of nitrogen-fixing flowering plants in the rose family, Rosaceae. They are native to the western United States and northern Mexico, where they grow in chaparral and semidesert habitats and climates, often at high altitudes. Several are found in the California chaparral and woodlands ecoregion.
The Chenopodioideae are a subfamily of the flowering plant family Amaranthaceae in the APG III system, which is largely based on molecular phylogeny, but were included – together with other subfamilies – in the family Chenopodiaceae, or goosefoot family, in the Cronquist system.
Orbexilum, commonly called leather-root, is a genus of flowering plants in the legume family (Fabaceae). They are native to North America, where they are found in the United States and Mexico, south to Chiapas.
Tournaya is a monotypic genus of flowering plants belonging to the family Fabaceae. It just contains one species, Tournaya gossweileri(Baker f.) A.Schmitz
Johnstonella is a genus of flowering plants belonging to the family Boraginaceae.
Lackeya is a genus of flowering plants in the legume family, Fabaceae. It contains two species native to North America.
Neobrittonia is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one known species, Neobrittonia acerifolia
Neokochia is a genus of flowering plants belonging to the family Amaranthaceae.
Nichallea is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one species, Nichallea soyauxii.
Przewalskia is a genus of flowering plants belonging to the family Solanaceae.
Preussiella is a genus of flowering plants belonging to the family Melastomataceae.
Pitraea is a monotypic genus of flowering plants belonging to the family Verbenaceae. It only contains one known species, Pitraea cuneato-ovata(Cav.) Caro
Stewartiella is a monotypic genus of flowering plants belonging to the family Apiaceae. According to Kew; it only contains one known species, Stewartiella crucifolia(Gilli) Hedge & Lamond
Hunzikeria is a genus of flowering plants belonging to the family Solanaceae.
Letestuella is a monotypic genus of flowering plants belonging to the family Podostemaceae. The only species is Letestuella tisserantiiG.Taylor
Merrilliodendron is a monotypic genus of flowering plants belonging to the family Icacinaceae. It has a synonym of PeekeliodendronSleumer. The only species is Merrilliodendron megacarpum(Hemsl.) Sleumer
Ochoterenaea is a monotypic genus of flowering plants belonging to the family Anacardiaceae. The only species is Ochoterenaea colombiana.
Hullsia is a genus of flowering plants in the family Asteraceae. It only contains one species, Hullsia argillicola.
Lackeya multiflora is a climbing herbaceous plant that grows in warm temperate to subtropical riverine woodland, woodland margins and grassland. Its native range is central and south-eastern USA. It is found in the states of Alabama, Arkansas, Florida, Georgia, Illinois, Kentucky, Oklahoma, Tennessee and Texas. It has the common name of Boykin's clusterpea.
Oreocarya suffruticosa is a species of flowering plant in the family Boraginaceae, native to the west and central United States and to northern Mexico. It was first described by John Torrey in 1827 as Myosotis suffruticosa and transferred to Oreocarya by Edward Lee Greene in 1887. Varieties of Oreocarya suffruticosa have previously been placed within several species of Cryptantha, including Cryptantha cinerea, Cryptantha jamesii and Cryptantha pustulosa.
