Bitter yam
Dioscorea dumetorum
Tuber crop requiring processing to remove bitter alkaloids before consumption, grown in West and Central Africa.
Family
Dioscoreaceae
Temperature
25-32°C (absolute 15-40°C)
Rainfall
1000-1700mm (absolute 700-4200mm)
Altitude
1500m
Soil pH
5.5-6.5 (absolute 4.8-8.5)
Soil types
Fertile well-drained soil.