One African baobab species or two? Synonymy of Adansonia kilima and A. digitata. Issue 6 (1st December 2016) - Cron, Glynis V.; Karimi, Nisa; Glennon, Kelsey L.; Udeh, Chukwudi A.; Witkowski, Ed T.F.; Venter, Sarah M.; Assogbadjo, Achille E.; Mayne, Diana H.; Baum, David A.