Selenicereus, sometimes known as moonlight cactus, is a genus of epiphytic, lithophytic, and terrestrial cacti, found in Mexico, Central America, the Caribbean and northern South America. The term night-blooming cereus is also sometimes used, but this is also used for many night-blooming cacti, including Epiphyllum and Peniocereus. In 2017, the genus Hylocereus was brought into synonymy with Selenicereus. A number of species of Selenicereus produce fruit that is eaten. The fruit, known as pitaya or pitahaya in Spanish or as dragon fruit, may be collected from the wild or the plants may be cultivated.
Steyermarkochloa is a genus of plants in the grass family. The only known species is Steyermarkochloa angustifolia(Spreng.) Judz., which is native to Colombia (Guainía), Venezuela (Amazonas), and Brazil (Amazonas).
Henry Hurd Rusby (1855–1940) was an American botanist, pharmacist and explorer. He discovered several new species of plants and played a significant role in founding the New York Botanical Garden and developing research and exploration programs at the institution. He helped to establish the field of economic botany, and left a collection of research and published works in botany and pharmacology.
Komaroviopsis is a monotypic genus of flowering plants belonging to the family Apiaceae. It contains only one species, Komaroviopsis anisoptera, native to Uzbekistan in Central Asia.
Marcania is a monotypic genus of flowering plants belonging to the family Acanthaceae. It only contains one known species, Marcania grandifloraJ.B.Imlay
Neobrittonia is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one known species, Neobrittonia acerifolia
Pembertonia is a monotypic genus of flowering plants belonging to the family Asteraceae. It only contains one known species, Pembertonia latisquamea(F.Muell.) P.S.Short
Sargentodoxa is a monotypic genus of flowering plants belonging to the family Lardizabalaceae. It only contains one known species, Sargentodoxa cuneata(Oliv.) Rehder & E.H.Wilson.
Rojasimalva is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one known species, Rojasimalva tetrahedralisFryxell
Reedia is a monotypic genus of flowering plants belonging to the family Cyperaceae. It only contains one known species, Reedia spathaceaF.Muell, endemic to south-western Australia.
Pitraea is a monotypic genus of flowering plants belonging to the family Verbenaceae. It only contains one known species, Pitraea cuneato-ovata(Cav.) Caro
Pisoniella is a monotypic genus of flowering plants belonging to the family Nyctaginaceae. It only contains one known species, Pisoniella arborescens(Lag. & Rodr.) Standl.
Ottoschmidtia is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, Ottoschmidtia microphylla(Griseb.) Urb.
Petitiocodon is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, Petitiocodon parviflorum(Keay) Robbr.
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
Sebastiano-schaueria is a monotypic genus of flowering plants belonging to the family Acanthaceae. The only known species is Sebastiano-schaueria oblongata.
Doerpfeldia is a monotypic genus of flowering plants belonging to the family Rhamnaceae. The only species is Doerpfeldia cubensis.
Nectouxia is a monotypic genus of flowering plants belonging to the family Solanaceae. The only species is Nectouxia formosa. It is in the Solanoideae subfamily and in Subtribe Salpichroinae, which is a subtribe of Physaleae.
Lueckelia is a monotypic genus of flowering plants belonging to the family Orchidaceae. The only species is Lueckelia breviloba(Summerh.) Jenny It is within the Tribe Cymbidieae and Subtribus of Stanhopeinae Benth. (1881).
Perryodendron is a monotypic genus of flowering plants belonging to the family Rutaceae. The only known species is Perryodendron parviflorum.
