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Osmorhiza longistylis (Torr.) DC.  

Explore 1 occurrences
Family: Apiaceae
longstyle sweetroot
[Osmorhiza aristata var. longistylis (Torr.) B.Boivin, moreOsmorhiza longistylis var. brachycoma S.F.Blake, Osmorhiza longistylis var. imbarbata Salamun, Osmorhiza longistylis var. villicaulis Fernald, Washingtonia longistylis (Torr.) Britt.]
Osmorhiza longistylis image
Paul Rothrock
  • Gleason & Cronquist
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Vascular plants of NE US and adjacent Canada
Much like no. 1 [Osmorhiza claytonii (Michx.) C. B. Clarke], but the fls a little larger and more numerous in each umbellet, the styles at anthesis ca 2 mm, much exceeding the pet, in fr nearly straight and parallel, 3-4 mm; plants anise-scented; 2n=22. Moist woods; Que. to Sask., s. to Ga., Tex. and Colo., commoner s. and w. May, June. (Washingtonia l.)

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

©The New York Botanical Garden. All rights reserved. Used by permission.
Osmorhiza longistylis
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