Powell's Saltbush - Atriplex powellii
(see State Rank Reason below)
MNPS Threat Rank
State Rank Reason (see State Rank above)
Numerous collections at MONT from BigHorn, McCone, Fergus, Valley counties. Also known in Beaverhead Co.
Dioecious or monoecious annual with farinose foliage. Stems erect, branched, 10–40 cm. Leaf blades ovate with acute tips and entire margins, 1–3 cm long, 3-nerved from the base. Inflorescence axillary glomerules, female below male. Male flowers 4- to 5-parted. Female flowers lacking a calyx; pistillate bracts united to the tip. Mature pistillate bracts fiddle-shaped, 3–4 mm long with toothed margins and tuberculate faces below (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
In MT scattered across the eastern half; AB, SK east to SD; south to AZ, NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX; Welsh 2003 in Fl.N. Amer. Vol. 4).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
Barren, fine-textured, often saline or alkaline soil of eroding slopes, badlands, salt flats, drying ponds; plains (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.