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Osmorhiza claytonii (Michx.) C.B. Clarke
Family: Apiaceae
Clayton's sweetroot
Osmorhiza claytonii image
Inodorous; styles at anthesis shorter than the pet, in fr nearly straight and parallel, 1.2-1.5 mm; mericarps 15-22 mm; bractlets several, linear- attenuate, reflexed, 3-8 mm; 2n=22. Moist woods; Que. and N.S. to Sask., s. to N.C., Ala., and Ark., commoner n. and e. May, June. (Washingtonia c.)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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From Flora of Indiana (1940) by Charles C. Deam
Frequent throughout the state except in the southwestern counties. In moist or dry woods of all kinds except in very sandy places.