Author : Foster, Clive. 2 Metadatas A new species of Dioscorea (Dioscoreaceae) from Eastern Madagascar and its pollen morphology. Authors : Caddick, Liz. Foster, Clive. Schols, Peter. Wilkin, Paul. A New species of Dioscorea (Dioscoreaceae) from Eastern Madagascar and its pollen morphology. Serial title : Kew Bulletin. 2000. Authors : Caddick, Liz. Foster, Clive. Schols, Peter. Wilkin, Paul.