Atriplex garrettii

Rydberg

Bull. Torrey Bot. Club 39: 312. 1912

Common names: Garrett’s saltbush
Synonyms: Atriplex canescens subsp. garrettii (Rydberg) H. M. Hall & Clements Atriplex canescens var. garrettii (Rydberg) L. D. Benson
Treatment appears in FNA Volume 4. Treatment on page 375. Mentioned on page 330, 377.
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.

Discussion

Varieties 2 (2 in the flora).

References

None.

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 Atriplex garrettii 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 Atriplex garrettii var. navajoensis