Annual, 1-4 dm, the stem softly pubescent with somewhat deflexed hairs; stipules tapering to an elongate linear tip; lfls obovate, heads closely sessile, subglobose; fls 12-15 mm; cal densely hirsute with ascending hairs, the lobes setaceous, 4-6 mm, exceeding the tube; cor purple, the standard straight, very narrow, acute, much exceeding the wings; 2n=10. Native of s. Europe, intr. as a weed in Va. Summer.

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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