Alyssum alyssoides (L.) L.
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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
Brassicaceae
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Scientific Name
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Description
Species Description - Annual, 5–25 cm, stellate-hairy throughout; lvs oblanceolate, 6–15 mm, entire, obtuse; fls pale yellow or nearly white, 2 mm wide; pet narrowly oblong; frs on widely divergent pedicels, orbicular, 3–4 mm, flat at the margin, convex toward the center; seeds 2 per locule; 2n=32. Native of Europe, abundant as a weed in waste places nearly throughout our range, and to w. U.S. May, June. (Clypeola a.)