stoneroot

(redirected from knobroot)
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Noun1.Stoneroot - erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowersstoneroot - erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States
Collinsonia canadensis, horse balm, horseweed, richweed, stone root, stone-root
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
Collinsonia, genus Collinsonia - small genus of perennial erect or spreading aromatic herbs; United States
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