Local name: Ardu
Ardu is a small borough (Estonian: alevik) in Kose Parish, Harju County in northern Estonia.
All these species grow into enormous trees and a full grown tree gives 6-7 quintals of edible leaves twice a year.
Crude protein and total digestible nutrients contents are 19 and 64%, respectively. Acid detergent fibre and neutral detergent fibre are 42 and 48%, respectively. Ardu leaves regarded as a good fodder by farmers. Mature leaves highly palatable and nutritious, usually fed to sheep and goats. Adult animals can be
maintained on ardu leaves.