Fig. 7
Representation of landscape units where Dioscorea species were recorded in the study area: shellmounds and associated vegetation and swiddens. 1: rods with D. alata, D. bulbifera and D. trifida in swiddens; 2: D. cayennensis inter shellmound and swiddens; 3: D. chondrocarpa, D. dodecaneura, D. laxiflora, D. olfersiana and D. scabra in shellmounds