subgenusAtriplex subg. Obione
sectionAtriplex sect. Obione
subsectionAtriplex subsect. Arenariae
Atriplex subsect. Arenariae
Rhodora 102: 423. 2001.
Basionym: Arenariae Standley in N. L. Britton et al., N. Amer. Fl. 21: 52. 1916
Treatment appears in FNA Volume 4. Treatment on page 360. Mentioned on page 327, 329.
Plants annual or perennial, erect or decumbent-ascending. Leaves alternate, short petiolate or sessile; blade typically widest at or beyond middle, margin entire or dentate. Staminate flowers in axillary glomerules or glomerules arranged in paniculate spikes. Fruiting bracteoles monomorphic, sessile or subsessile, united at base or to middle, broadest near or beyond base, dentate, faces smooth or tuberculate. Seeds: radicle superior.
North America, Mexico.
Species ca. 12 (8 in the flora).
Members of this section occur in or near coastal regions from the eastern United States, south and west along the Gulf Coast, and along the coast and interior of California.
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