Cyathostegia is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae. It contains two species native to Peru and Ecuador.Cyathostegia (Benth.) Schery. Plants of the World Online. Retrieved 16 August 2023. It is often considered to be a monotypic genus containing only Cyathostegia mathewsii. Some sources include Cyathostegia weberbaueri.
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