old man of the mountain

Từ điển WordNet v3.1 - WordNet Dictionary

noun

whitish hairy plant with featherlike leaves and a few stout stems each bearing an especially handsome solitary large yellow flower head;
mountainous regions north central United States
• Syn:
alpine sunflower, Tetraneuris grandiflora, Hymenoxys grandiflora
• Hypernyms:
wildflower, wild flower
• Member Holonyms:
Tetraneuris, genus Tetraneuris