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Corispermum americanum var. americanum   (redirected from: Corispermum orientale auct. non Lam.)
Family: Amaranthaceae
American Bugseed
[Corispermum marginale Rydb. p.p., moreCorispermum orientale auct. non Lam., Corispermum simplicissimum Lunell]
Corispermum americanum var. americanum image
  • FNA
  • Indiana Flora
  • Gleason & Cronquist
  • Resources
Sergei L. Mosyakin in Flora of North America (vol. 4)
Inflorescences interrupted or condensed distally. Fruits (2.3-)2.5-3.5 mm; wing usually 0.2-0.3 mm wide (occasionally fruits almost wingless in some southwestern plants). Flowering late summer-fall. Sand dunes, sandy and gravely shores, sandy waste places, fields; 100-2000 m; Alta., B.C., Man., Ont., Que., Sask.; Ariz., Ark., Calif., Colo., Idaho, Ill., Ind., Kans., Minn., Mo., Mont., Nebr., Nev., N.J., N.Mex., N.Y., N.Dak., Ohio, Okla., Oreg., S.Dak., Tex., Utah, Wash., Wis., Wyo.; n Mexico (Chihuahua); probably Europe (locally introduced and confused with C. nitidum).
From Flora of Indiana (1940) by Charles C. Deam
On sand dunes. Known from Lake and Porter Counties only.
Vascular plants of NE US and adjacent Canada
Much like no. 2 [Corispermum hyssopifolium L.], but with merely angled frs 2-3 mm; infl ±densely pubescent, esp. when young; bracts overlapping, but exposing the axis along the lower part of the infl; 2n=18. Native of Eurasia, now established as a weed in much of the U.S., esp. in sandy soil and along lake-shores. (C. emarginatum; C. villosum)

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.
Corispermum americanum var. americanum
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