Usually prostrate, repeatedly branched, 1-3 dm, forming mats, glabrous throughout; lvs opposite, narrowly to broadly oblong, mostly 5-12 mm, entire, truncate or shallowly retuse; appendages small or none; fr 2-2.3 mm; seeds scarcely compressed, smooth, gray mottled with brown, 1.5-1.9 mm. Sandy beaches on or near the coast; se. Va. to Fla., Tex., and trop. Amer. June-Sept. (Chamaesyce ingallsii)

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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