Flora of North America species comparison

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Atriplex garrettii

Garrett's saltbush
Habit Shrubs or subshrubs, dioecious (rarely monoecious), mainly 2–8(–10) × 5–10+ dm, unarmed.
Leaves

opposite or subopposite proximally, or some alternate distally;

petiole 2–6 mm;

blade yellow green, ovate to obovate, elliptic, or orbiculate, 8–55 × 6–32 mm, base obtuse to cuneate, margin entire or repand-dentate, apex rounded to acute, sparingly scurfy.
Staminate flowers

brown to tan or yellow, in clusters 2–4 mm wide, on panicles 2–10(–15) cm.
Pistillate flowers

in spikes or spicate panicles 4–30 cm.
Seeds

brown, 2 mm wide.
Fruiting

bracteoles sessile or on stipes to 7 mm, body 4-winged, 6–10 mm and wide, toothed apically, surface smooth, reticulate, or with flattened processes, wings 3–4 mm wide.
2n

= 18.

Atriplex garrettii
Distribution
from FNA
AZ; UT
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Plants mainly 2-6 dm; leaves 9 or fewer on first flowering branch of current growth; bract wings denticulate; staminate flowers commonly brown; talus slopes in canyons of the Colorado River, se Utah
var. garrettii
1. Plants mainly 5-10 dm; leaves 7 or more on first flowering branch of current growth; bract wings deeply denticulate; staminate flowers yellow; vicinity of Navajo Bridge and Lee’s Ferry, Arizona
var. navajoensis
Source FNA vol. 4, p. 375.
Parent taxa Chenopodiaceae > Atriplex > subg. Pterochiton
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. 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. wolfii, A. wrightii
Subordinate taxa
A. garrettii var. garrettii, A. garrettii var. navajoensis
Synonyms A. canescens subsp. garrettii, A. canescens var. garrettii
Name authority Rydberg: Bull. Torrey Bot. Club 39: 312. (1912)
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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