| tetraneuris | (n) genus of hairy yellow-flowered plants of the western United States, Syn. genus Tetraneuris |
| old man of the mountain | (n) 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. Tetraneuris grandiflora, alpine sunflower, Hymenoxys grandiflora |
| stemless hymenoxys | (n) perennial having tufted basal leaves and short leafless stalks each bearing a solitary yellow flower head; dry hillsides and plains of west central North America, Syn. Hymenoxys acaulis, Tetraneuris acaulis |
| tetraneuris | (n) genus of hairy yellow-flowered plants of the western United States, Syn. genus Tetraneuris |
| old man of the mountain | (n) 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. Tetraneuris grandiflora, alpine sunflower, Hymenoxys grandiflora |
| stemless hymenoxys | (n) perennial having tufted basal leaves and short leafless stalks each bearing a solitary yellow flower head; dry hillsides and plains of west central North America, Syn. Hymenoxys acaulis, Tetraneuris acaulis |