Octotropideae is a tribe of flowering plants in the familyRubiaceae and contains about 103 species in 18 genera. Its representatives are found in the paleotropics.[1] The genera previously placed in the tribe Hypobathreae are now placed in Octotropideae.[2]
^Mouly, Arnaud; Kainulainen, Kent; Persson, Claes; Davis, Aaron P.; Wong, Khoon Meng; Razafimandimbison, Sylvain G. & Bremer, Birgitta (2014), "Phylogenetic structure and clade circumscriptions in the Gardenieae complex (Rubiaceae)", Taxon, 63 (4): 801–818, doi:10.12705/634.4
^Robbrecht, Elmar; Manen, Jean-François (2006). "The Major Evolutionary Lineages of the Coffee Family (Rubiaceae, Angiosperms). Combined Analysis (nDNA and cpDNA) to Infer the Position of Coptosapelta and Luculia, and Supertree Construction Based on rbcL, rps16, trnL-trnF and atpB-rbcL Data. A New Classification in Two Subfamilies, Cinchonoideae and Rubioideae". Systematics and Geography of Plants. 76 (1): 85–145. JSTOR20649700.
^Bremer, Birgitta (2009). "A Review of Molecular Phylogenetic Studies of Rubiaceae 1". Annals of the Missouri Botanical Garden. 96 (1): 4–26. doi:10.3417/2006197.
^Bremer, Birgitta; Eriksson, Torsten (2009). "Time Tree of Rubiaceae: Phylogeny and Dating the Family, Subfamilies, and Tribes". International Journal of Plant Sciences. 170 (6): 766–793. doi:10.1086/599077.