Subfamily Hyacinthoideae (Hyacinthaceae) comprises more than 400 species, which show distjunct distribution patterns. Ali et al. use dispersal-vicariance and Bayesian binary MCMC analyses to determine that Hyacinthoideae originated in sub-Saharan Africa. The results suggest a bimodal distribution pattern with sub-Saharan Africa as the primary centre of diversity and the Mediterranean region is the secondary centre. Sub-Saharan [...]