Preussiodora is a genus of plants in the family Rubiaceae. It contains only one species, Preussiodora sulphurea, native to central Africa.
Miersiella is a monotypic genus of flowering plants in the Burmanniaceae, first described as a genus in 1903. It contains only one known species, Miersiella umbellataUrb. It is native to South America.
Komarovia is a monotypic genus of flowering plants belonging to the family Apiaceae. It only contains one species, 'Komarovia anisoptera'Korovin
Lamiodendron is a monotypic genus of flowering plants belonging to the family Bignoniaceae. It only consists of one species, 'Lamiodendron magnificum' 'Steenis It is also in the Tribe Tecomeae.
Lelya is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, Lelya osteocarpaBremek.
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
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.
Portenschlagiella is a monotypic genus of flowering plants belonging to the family Apiaceae. It has one known synonym of PortenschlagiaVis. It only contains one known species, Portenschlagiella ramosissima(Port.) Tutin
Kerriothyrsus is a monotypic genus of flowering plants belonging to the family Melastomataceae. The only species is Kerriothyrsus tetrandrus(Nayar) C.Hansen
Linnaeosicyos is a monotypic genus of flowering plants belonging to the family Cucurbitaceae. The only species is Linnaeosicyos amara(L.) H.Schaef. & Kocyan.
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
Metternichia is a monotypic genus of flowering plants belonging to the family Solanaceae. The only species is Metternichia principisJ.C.Mikan.
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.
Nelmesia is a monotypic genus of flowering plants belonging to the family Cyperaceae. The only species is Nelmesia melanostachyaVan der Veken.
Nepsera is a monotypic genus of flowering plants belonging to the family Melastomataceae. The only species is Nepsera aquatica.
Pierranthus is a monotypic genus of flowering plants belonging to the family Linderniaceae. The only known species is Pierranthus capitatus(Bonati) Bonati.
Perryodendron is a monotypic genus of flowering plants belonging to the family Rutaceae. The only known species is Perryodendron parviflorum.
