Stems erect, branched, to 1 m or more, sparsely pustulate-hairy above; lvs odd-pinnate, the lfls very numerous, oblong, 1-2 cm; racemes often leafy; fls 1-6, yellow with red veins, 10-15 mm, subtended by ovate, sessile, serrate bracts; fr 2-7 cm, on a stipe 1.5-2 cm; joints 4-10, each 5-8 נ5-6 mm, sparsely pustulate-hairy; 2n=40. Sandy or muddy river-banks and fresh to brackish tidal shores; s. N.J. to S.C. Aug., Sept.

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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