Fig. 1From: Diversification into novel habitats in the Africa clade of Dioscorea (Dioscoreaceae): erect habit and elephant’s foot tubersMapping of habit, tuber and leaf traits on five South Africa yam lineages of the Pachycaul clade. Photographs: BJvN = Brian J van Niekerk; GG = Graham Grieve; JB = John Burrows; OM = Olivier Maurin; PW = Paul WilkinBack to article page