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old man of the mountain, alpine sunflower, Tetraneuris grandiflora, Hymenoxys grandiflora | whitish hairy plant with featherlike leaves and a few stout stems each bearing an especially handsome solitary large yellow flower head; 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 ❲Tetraneuris grandiflora❳ |