Helvella sulcata

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a helvella with an irregularly convoluted cap that is dark brown when young and becomes dull grey with age;
the lower surface of the cap is smooth and pale grey;
the stalk is thick and deeply fluted
• Hypernyms:
helvella
• Member Holonyms:
genus Helvella