blue sage, n.
aromatic shrub of arid regions of western North America having hoary leaves
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Artemisia tridentata Seriphidium tridentatum big sagebrush blue sage
blue-flowered sage of dry prairies of the eastern United States
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Salvia azurea blue sage
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hypernym
Texas sage having intensely blue flowers
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Salvia farinacea blue sage mealy sage
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hypernym
sage of western North America to Central America having violet-blue flowers; widespread in cultivation
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Salvia lancifolia Salvia reflexa blue sage
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hypernym