Annual 1-3.5 dm, the stems with spreading hairs and small recurved prickles; lvs 3-11 נ2-4 mm, ovate or elliptic, acute, 1-veined, with revolute margins, slightly hairy; peduncles much shorter than the subtending lvs, 2-3-fld; fls yellow, minute, 0.5-1 mm; styles united below; frs 1 mm, glabrous; 2n=18. Native of Europe, intr. in disturbed sites from Va. and W.Va. to N.C., w. to O., Ill., Kans., and Okla. (Cruciata p.)
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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