%0 Journal Article %T Four new endemic genera of Rubiaceae (Pavetteae) from Madagascar represent multiple radiations into drylands %A Franck Rakotonasolo %A Petra De Block %A Salvator Ntore %A Steven Janssens %A Sylvain G. Razafimandimbison %J Archive of "PhytoKeys". %D 2018 %R 10.3897/phytokeys.99.23713 %K Coptosperma %K dry forests %K endemism %K fruits %K generic delimitation %K Madagascar %K Pavetteae %K placentation %K pollen %K pyrene opening mechanisms %K radiation %K rumination %K seeds Plantae %K Gentianales %K Rubiaceae Plantae %K Gentianales %K Rubiaceae Plantae %K Gentianales %K Rubiaceae Plantae %K Gentianales %K Rubiaceae Plantae %K Gentianales %K Rubiaceae Plantae %K Gentianales %K Rubiaceae Plantae %K Gentianales %K Rubiaceae Plantae %K Gentianales %K Rubiaceae Plantae %K Gentianales %K Rubiaceae Plantae %K Gentianales %K Rubiaceae %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5972148/