Osmorhiza claytonii is a North American perennial herb, native to Canada and the eastern United States. It is also known as Clayton's sweetroot or sweet cicely, a name it shares with other members of its genus Osmorhiza.
The leaves are yellowish green. There are white hairs on the stem and to a lesser extent on the leaves as well. It is ternately branched, having three-leafed branches. When broken it has an anise like smell or flavor.
The seeds of this plant have barbs on the end allowing them to stick to clothing, fur, or feathers.
- "Osmorhiza claytonii". NatureServe Explorer. NatureServe. Retrieved 2008-05-06.
- The Plant List, Kew
- "Osmorhiza claytonii". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 25 July 2015.
- Gleason, H. A. 1968. The Choripetalous Dicotyledoneae. vol. 2. 655 pp. In H. A. Gleason: New Britton and Brown Illustrated Flora of the Northeastern United States and Adjacent Canada. New York Botanical Garden, New York
- Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Manual of the Vascular Flora of the Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill
- Voss, E. G. 1985. Michigan Flora. Part II Dicots (Saururaceae-Cornaceae). Bulletin of the Cranbrook Institute of Science 59. xix + 724.
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