Urostephanus
| Urostephanus | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Subfamily: | Asclepiadoideae |
| Tribe: | Asclepiadeae |
| Subtribe: | Gonolobinae |
| Genus: | Urostephanus B.L.Rob. & Greenm. |
Urostephanus is a genus of flowering plants in the dogbane family Apocynaceae. Its species are found in Mexico, Guatemala, and Honduras.[1] Originally described in 1895, it was resurrected from the non‑monophyletic milkvine genus Matelea in 2024.[2]
Species
The following species are accepted:[1]
- Urostephanus araneosus (Donn.Sm.) Gonz.-Martínez, Lozada-Pérez & L.O.Alvarado
- Urostephanus balrog (Gonz.-Martínez, Lozada-Pérez & L.O.Alvarado) Gonz.-Martínez
- Urostephanus cornutus (Gonz.-Martínez, Lozada-Pérez & L.O.Alvarado) Gonz.-Martínez
- Urostephanus gonoloboides B.L.Rob. & Greenm.
- Urostephanus jaimesiae (Gonz.-Martínez, Lozada-Pérez & L.O.Alvarado) Gonz.-Martínez
- Urostephanus lokii (Gonz.-Martínez, Lozada-Pérez & L.O.Alvarado) Gonz.-Martínez
- Urostephanus medusae (Woodson) Gonz.-Martínez, Lozada-Pérez & L.O.Alvarado
- Urostephanus patalensis (Donn.Sm.) Gonz.-Martínez, Lozada-Pérez & L.O.Alvarado
- Urostephanus porphyranthus (Standl.) Gonz.-Martínez, Lozada-Pérez & L.O.Alvarado
References
- ^ a b "Urostephanus B.L.Rob. & Greenm". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 19 August 2025.
- ^ González-Martínez, César Adrián; Lozada-Pérez, Lucio; Olson, Mark E.; Alvarado-Cárdenas, Leonardo O. (2024). "Systematics of Urostephanus: Resurrection of a Mesoamerican taxon of Gonolobinae (Apocynaceae, Asclepiadoideae), with eight new combinations". Acta Botanica Mexicana (131). doi:10.21829/abm131.2024.2302.