1. NHD21/80 Reference (shelfmark): NHD21/80 Title: Greater Yam Scope & Content: Greater Yam Family Dioscoreaceae’, Dioscorea alata’ var ‘purpurea’ Original inscriptions: ‘Dioscoria purpurea’ Further inscriptions: Artist: Medium: Watercolour Size: Note: Collection Area: Visual Arts Languages: Not applicable Date Range: 1798-1805 Extent: 1 Item