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29. Atriplex wolfii S. Watson, Proc. Amer. Acad. Arts. 9: 112. 1874.
Slender orach
Obione wolfii (S. Watson) Ulbrich
Herbs, slender, delicate. Stems simple or more commonly branched throughout, mainly 0.7-3.5 dm, branches terete; herbage scurfy. Leaves: blade concolorous, linear to narrowly lanceolate, mainly 4-25 × 1-3 mm. Flowers very small, both sexes in the same sessile, axillary clusters. Staminate flowers: sepals 5. Fruiting bracteoles sessile, ovate to cuneate in outline, 1.5-2.7 × 1.1-2.1 mm, apex truncate to attenuate, faces smooth or tuberculate. Seeds brown, 1-2 mm.
Varieties 2 (2 in the flora): w United States.
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Fruiting bracteoles with lateral distalmost lobes much larger and broader than median one; sc Colorado |
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29b var. wolfii |
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Fruiting bracteoles with distalmost lobe typically but not always larger and broader than any lateral lobes, comprising much of bract length; nw Colorado, sw Wyoming, and c to ne Utah. |
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29a var. tenuissima |
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