And there are many tuberous species in Africa. Dr John M. Grimshaw Garden Manager, Colesbourne Gardens Sycamore Cottage Colesbourne Nr Cheltenham Gloucestershire GL53 9NP Website: http://www.colesbournegardens.org.uk/ ----- Original Message ----- From: "Alberto Castillo" <ezeizabotgard@hotmail.com> Dennis: In several countries of South America you can find lots of gorgeous Ipomoeas, all with tubers or tuberous roots. Regards Alberto