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Montana Field Guide

Montana Field Guides

Powell's Saltbush - Atriplex powellii


Global Rank: G4
State Rank: S3S4
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

External Links






State Rank Reason (see State Rank above)
Numerous collections at MONT from BigHorn, McCone, Fergus, Valley counties. Also known in Beaverhead Co.
  • Details on Status Ranking and Review
    Powell's Saltbush (Atriplex powellii) Conservation Status Review
    Review Date =
 
General Description
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).

Range Comments
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).

Habitat
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).

References
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Citation for data on this website:
Powell's Saltbush — Atriplex powellii.  Montana Field Guide.  .  Retrieved on , from