Osmorhiza claytonii

Osmorhiza claytonii
Conservation status
	; Secure (NatureServe)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Apiales
Family:	Apiaceae
Genus:	Osmorhiza
Species:	O. claytonii
Binomial name
	Osmorhiza claytonii; (Michx.) C.B. Clarke
Synonyms[2]
	Myrrhis claytonii Michx.; Myrrhis claytonii Michx.; Osmorhiza amurensis F. Schmidt ex Maxim.; Osmorhiza claytonii (Michx.) C.B. Clarke; Osmorhiza aristata var. montana Makino; Osmorhiza japonica Siebold & Zucc.; Scandix aristata (Thunb.) Makino; Scandix claytonii (Michx.) Koso-Pol.; Uraspermum aristatum (Thunb.) Kuntze; Washingtonia claytonii (Michx.) Britton;

Osmorhiza claytonii is a North American perennial herb, native to Canada and the eastern United States. It is also known as Clayton's sweetroot[3] or sweet cicely, a name it shares with other members of its genus Osmorhiza.[4][5][6]

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.

Description

Osmorhiza claytonii is a herbaceous plant perennial tall (45-90 cm) and pubescent. Leaves large, compound, deeply divided, and dentate. Flowers small (1.5 mm), white, clustered with others on a long-stalked umbel. Its native habitats include rich woods and wooded slopes.[7]

References

"Osmorhiza claytonii". NatureServe Explorer. NatureServe. Retrieved 2008-05-06.
The Plant List, Kew
USDA, NRCS (n.d.). "Osmorhiza claytonii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. 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.
"Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2021-12-18.

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[natureserve-1] "Osmorhiza claytonii". NatureServe Explorer. NatureServe. Retrieved 2008-05-06.

[2] The Plant List, Kew

[3] USDA, NRCS (n.d.). "Osmorhiza claytonii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 25 July 2015.

[4] 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

[5] 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

[6] Voss, E. G. 1985. Michigan Flora. Part II Dicots (Saururaceae-Cornaceae). Bulletin of the Cranbrook Institute of Science 59. xix + 724.

[7] "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2021-12-18.