| Noun | 1. | goldenbush - a plant of the genus Haplopappus wild flower, wildflower - wild or uncultivated flowering plant genus Haplopappus, Haplopappus - genus of North and South American perennial herbs or shrubs with yellow flowers; in some classifications include species placed in other genera especially Hazardia camphor daisy, Haplopappus phyllocephalus - annual of southern United States and Mexico having bristly leaves and pale yellow flowers Haplopappus spinulosus, yellow spiny daisy - slender perennial of western North America having weakly bristly leaves and yellow flower heads |
| 2. | goldenbush - any of various much-branched yellow-flowered shrubs of the genus Chrysothamnus; western North America Chrysothamnus, genus Chrysothamnus - genus of low branching shrubs of western North America Chrysothamnus nauseosus, rabbit brush, rabbit bush - pleasantly aromatic shrub having erect slender flexible hairy branches and dense clusters of small yellow flowers covering vast areas of western alkali plains and affording a retreat for jackrabbits; source of a yellow dye used by the Navajo |