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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 Navajo Indians

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