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Montana Field Guide

Montana Field Guides

Four-wing Saltbush - Atriplex canescens

Potential Species of Concern

Global Rank: G5
State Rank: S3S4

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

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General Description
Dioecious shrubs 40–100 cm tall with gray-scurfy foliage. Stems branched with peeling bark below. Leaves sessile, linear to narrowly oblong, 2–5 cm long with entire margins. Inflorescence glomerules in axillary or terminal spikes. Male flowers 5-parted, tawny. Female flowers lacking a calyx; pistillate bracts united to the tip. Mature pistillate bracts orbiculate, 3–6 mm long with 4 prominent wavy-margined to lobed wings (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Widely scattered across MT in about ten counties; AB to ND south through WA and ID to CA, east through Rockies and western plains states, and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX; Welch 2003 in Fl. N. Amer. Vol. 4).

Summary of Observations Submitted for Montana
Number of Observations: 17

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Sagebrush steppe and saline soil of badlands; plains, valleys to montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Four-wing Saltbush — Atriplex canescens.  Montana Field Guide.  .  Retrieved on , from