Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Semark, J E E; Rydin, C; Razafimandimbison, S G; Khan, S A; Liede-Schumann, S; Bremer, B (2008). A phylogeny of Urophylleae (Rubiaceae) based on rps16 intron data. Taxon, 57(1):24-32.