Atriplex wolfii

S. Watson

Proc. Amer. Acad. Arts 9: 112. 1874.

Common names: Slender orach
Synonyms: Obione wolfii (S. Watson) Ulbrich
Treatment appears in FNA Volume 4. Treatment on page 355. Mentioned on page 328, 329.

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).

Selected References



1 Fruiting bracteoles with lateral distalmost lobes much larger and broader than median one; sc Colorado Atriplex wolfii var. wolfii
1 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. Atriplex wolfii var. tenuissima