Flora of North America species comparison

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Atriplex wolfii

Atriplex subsect. Wolfianae

slender orach, Wolf's saltweed
Habit 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.

Seeds

brown, 1–2 mm.

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.

Atriplex wolfii

Atriplex subsect. Wolfianae
Distribution
from FNA
CO; UT; WY
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Fruiting bracteoles with lateral distalmost lobes much larger and broader than median one; sc Colorado
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.
var. tenuissima
Source FNA vol. 4, p. 355.
Parent taxa Chenopodiaceae > Atriplex > subg. Obione > sect. Obione > subsect. Wolfianae
Sibling taxa
A. acanthocarpa, A. amnicola, A. argentea, A. californica, A. canescens, A. confertifolia, A. cordulata, A. coronata, A. corrugata, A. coulteri, A. covillei, A. dioica, A. elegans, A. fruticulosa, A. gardneri, A. garrettii, A. glabriuscula, A. gmelinii, A. graciliflora, A. heterosperma, A. holocarpa, A. hortensis, A. hymenelytra, A. joaquiniana, A. klebergorum, A. laciniata, A. lentiformis, A. leucophylla, A. lindleyi, A. linearis, A. littoralis, A. matamorensis, A. mucronata, A. nudicaulis, A. nummularia, A. oblongifolia, A. obovata, A. pacifica, A. parishii, A. parryi, A. patula, A. pentandra, A. phyllostegia, A. pleiantha, A. polycarpa, A. powellii, A. prostrata, A. pusilla, A. rosea, A. saccaria, A. semibaccata, A. serenana, A. spinifera, A. suberecta, A. suckleyi, A. tatarica, A. torreyi, A. truncata, A. tularensis, A. watsonii, A. wrightii
Subordinate taxa
A. wolfii var. tenuissima, A. wolfii var. wolfii
Synonyms Obione wolfii
Name authority S. Watson: Proc. Amer. Acad. Arts 9: 112. (1874)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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