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FNA | Family List | FNA Vol. 4 | Chenopodiaceae | Atriplex

53. Atriplex garrettii Rydberg, Bull. Torrey Bot. Club. 39: 312. 1912.

Garrett’s saltbush

Atriplex canescens (Pursh) Nuttall subsp. garrettii (Rydberg) H. M. Hall & Clements; A. canescens var. garrettii (Rydberg) L. D. Benson

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. 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. Seeds brown, 2 mm wide. 2n = 18.

Varieties 2 (2 in the flora): Arizona, Utah.

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   53a var. garrettii
+ 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   53b var. navajoensis


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