Taxon

Collinsonia canadensis

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Common name: stoneroot, richweed, Canada horsebalm
Family: Lamiaceae (mint family)
Distribution: e.-c. and e. North America
Hardiness: USDA Zone 4
Life form: Herbaceous perennial
Comments: Richweed is a summer-bloomer, often when little else is blooming in the woodland or forest. The yellow flowers have a white fringe on the lower lip and a characteristic lemon scent. Plants can grow up to five feet tall. Native Americans used parts of the plant to treat various ailments. The leaves can be used in teas; the underground roots were often used for urinary or kidney problems, and as astringents.
Links: Germplasm Resources Information Network (GRIN Taxonomy) • The Plant List • USDA PLANTS Database - US Department of Agriculture

Locations

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