Hatiora is a small genus of epiphytic cacti which belongs to the tribe Rhipsalideae within the subfamily Cactoideae of the Cactaceae. Recent taxonomic studies have led to the three species formerly placed in subgenus Rhipsalidopsis being removed from the genus, including the well known and widely cultivated ornamental plants known as Easter cactus or Whitsun cactus.
Lymanbensonia is a genus of epiphytic cacti in the tribe Lymanbensonieae, found in Bolivia, Ecuador, and Peru. The genus was recently reinstated after it was found to be unrelated to Pfeiffera.
Vatricania is a monotypic genus of flowering plants belonging to the family Cactaceae. It just contains one species, Vatricania guentheri(Kupper) Backeb.Greenm. ex Gleason It has the common name of Red Tail Cactus.
Marlothiella gummifera is a species of flowering plant in the family Apiaceae, and the only species in the monotypic genus Marlothiella. It is endemic to Namibia, where its natural habitats are rocky areas and cold desert. It is also the only genus in the tribe Marlothielleae, of the subfamily Apioideae.
Reldia is a genus of plants in the family Gesneriaceae. They are also in the Beslerieae tribe.
Todaroa is a monotypic genus of flowering plants belonging to the family Apiaceae. It just contains one known species, Todaroa aurea.
Shafera is a monotypic genus of plants in the groundsel tribe within the sunflower family.
Jaques Étienne Gay was a Swiss-French botanist, civil servant, collector and taxonomist. His name is associated with plants in standardised botanical nomenclature, e.g. Crocus sieberi J.Gay. He was the most famous of the students of botanist Jean François Aimée Gaudin with whom he began collecting plants at the age of 14. He was married to Rosalie Nillion.
Tyleropappus is a genus of flowering plants belonging to the family Asteraceae. It just contains one species, Tyleropappus dichotomusGreenm. ex Gleason
Leiboldia is a genus of flowering plants belonging the family Asteraceae. It is also in the tribe Vernonieae.
Moquinia is a genus of flowering plants in the Moquinia tribe within the sunflower family.
The Rhipsalideae are a small tribe of cacti, comprising four genera. They grow on trees (epiphytes) or on rocks (lithophytes), where they either hang down or form creeping or upright shrubs. Their flowers open in the day and remain open at night; they may be either radially symmetrical (regular) or bilaterally symmetrical (zygomorphic). The fruits are berry-like, fleshy with smallish seeds.
The Hylocereeae are a tribe of cacti. Most are found in the tropical forests of Central and northern South America, and are climbers or epiphytes, unlike most cacti. The tribe includes between six and eight genera in different circumscriptions. The plants known as "epiphyllum hybrids" or "epiphyllums", widely grown for their flowers, are hybrids of species within this tribe, particularly Disocactus, Pseudorhipsalis and Selenicereus, less often Epiphyllum, in spite of the common name.
Maxwellia lepidota is a species of shrubs or trees in the family Malvaceae. It is endemic to New Caledonia and the only species of the monotypic genus Maxwellia. Its closest relatives are all Australian genera in tribe Lasiopetaleae: Guichenotia, Hannafordia, Lysiosepalum, Lasiopetalum and Thomasia.
Larsenaikia is a genus of flowering plants in the tribe Gardenieae of the family Rubiaceae. Its native range is Eastern and Northern Australia.
Strophocactus wittii, synonym Selenicereus wittii, known as the Amazon moonflower, is a species of plant in the genus Strophocactus in the cactus family (Cactaceae), and is one of several species commonly called "moonflowers". It was first described in 1900 and is one of three species of cactus found in the central Amazon basin.
Kimnachia is a monotypic genus of cacti. Its only species is Kimnachia ramulosa, synonym Pseudorhipsalis ramulosa, which is native from southern Mexico to northern South America and also found in Jamaica.
Schtschurowskia is a genus of flowering plants belonging to the family Apiaceae. It is also in Tribe Coriandreae.
Gregbrownia is a genus of flowering plants belonging to the family Bromeliaceae.
Kadenicarpus is a genus of flowering plants belonging to the family Cactaceae. It is native to eastern Mexico. It has been synonymized with Turbinicarpus but molecular phylogenetic studies have supported its monophyly and separation from that genus.
