Byrsophyllum is a genus of flowering plants in the family Rubiaceae. It belongs to the subfamily IxoroideaeAluminium Accumulation in Leaves of Rubiaceae: Systematic and Phylogenetic Implications. S. Jansen, S. Dessein, F. Piesschaert, E. Rbbrecht and E. Smets, Annals of Botany, 2000, volume 85, pages 91-101 (article) and the tribe Gardenieae.
The genus is native to India and Sri Lanka.Hooker, Joseph Dalton. 1873. Genera plantarum ad exemplaria imprimis in Herberiis Kewensibus servata definita 2: 83.
Species Byrsophyllum ellipticum (Thwaites) Hook.f. - Sri Lanka Byrsophyllum tetrandrum (Bedd.) Hook.f. - India
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