Erect, leafy annual 3–10(–15) dm, simple to much branched, glabrous below the infl; lfls mostly 15–35+, oblong to oblanceolate or obovate, 3–12 mm; spikes erect, dense, 1.5–8 cm; bracts caducous, ovate to lance-acuminate or caudate; fls of sect. Dalea, white or anthocyanic, 5–7 mm; cal very villous, its subulate lobes mostly shorter than the tube, erect in fr; stamens 9 or 10; anthers shortly exserted; fr 2.5–3 mm; 2n=14. Prairies and open woods, or in disturbed sites; widespread in Latin Amer., n. to N.D., Minn., and Ind., and occasionally adventive farther e. June–Aug. (D. alopecuroides; Parosela a.)
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