Spermolepis inermis (Nutt.) Mathias & Constance
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Authority
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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Family
Apiaceae
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Scientific Name
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Description
Species Description - Erect, 2–6 dm, commonly branched above the middle only; rays 5–11, strongly ascending, 2–15 mm, very unequal; pedicels 2–6, unequal, to 6 mm or those of the central umbellets sessile; fr 1.5–2 mm, tuberculate; 2n=22. Dry or moist sandy soil; Tex. and n. Mex., e. to Neb. and s. Ill., and occasionally adventive farther e. May, June. (S. patens)
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Common Names
western scaleseed