Fig. 2 in Monograph of African Costaceae

Fig. 2 Phylogenetic hypothesis for African Costus based on a 4-marker (ITS, ETS, CAM, rpb2) dataset, including species from genera Monocostus, Dimerocostus and Chamaecostus as outgroup taxa and including 12 species from the Neotropical Costus clade to demonstrate the paraphyly of the African taxa with respect to the New World radiation. African taxa (dark lines) with accession information indicated.