European black alder

Từ điển WordNet v3.1 - WordNet Dictionary

noun

medium-sized tree with brown-black bark and woody fruiting catkins;
leaves are hairy beneath
• Syn:
common alder, Alnus glutinosa, Alnus vulgaris
• Hypernyms:
alder, alder tree
• Member Holonyms:
Alnus, genus Alnus