The Cinchoneae are a tribe of flowering plants in the familyRubiaceae containing about 125 species in 9 genera. Representatives are found from Costa Rica to southern tropical America.[1] Species within Cinchoneae are characterized as small trees or shrubs with imbricate or valvate corolla aestivation and often dry capsular fruits.[2] Many species contain alkaloids.
^Manns U, Bremer B (2010). "Towards a better understanding of intertribal relationships and stable tribal delimitations within Cinchonoideae s.s. (Rubiaceae)". Molecular Phylogenetics and Evolution. 56 (1): 21โ39. doi:10.1016/j.ympev.2010.04.002. PMID20382247.
^Bremer B (2009). "A review of molecular phylogenetic studies of Rubiaceae". Annals of the Missouri Botanical Garden. 96: 4โ26. doi:10.3417/2006197. S2CID53378010.
^Bremer B, Eriksson E (2009). "Time tree of Rubiaceae: phylogeny and dating the family, subfamilies, and tribes". International Journal of Plant Sciences. 170 (6): 766โ793. doi:10.1086/599077. S2CID49332892.