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20b.3. Atriplex Linnaeus (subg. Obione) sect. Obione (Gaertner) C. A. Meyer in C. F. von Ledebour, Fl. Altaic. 4: 315. 1833.
Obione Gaertner, Fruct. Sem. Pl. 2: 198, plate 126. 1791
Plants usually annual, usually monoecious. Leaves with Kranz anatomy. Staminate flowers with calyx lobes not crested. Pistillate flowers lacking or rarely with a perianth (in A. covillei), enclosed by a pair of bracteoles. Bracteoles cuneate to ovate or obovate, united at least to 1/2 of length, faces with tubercles or crests or smooth. Seeds: radicle lateral or superior.
Species 28 (23 in the flora): United States, Mexico.
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