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Montana Field Guides

Tumbling Orache - Atriplex rosea
Other Names:  Tumbling Saltweed, Tumbling Saltbush

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Monoecious annuals with farinose foliage. Stems erect, branched, 20–50 cm. Leaf blades 1–5 cm long, ovate to triangular, sometimes hastate with sinuate-dentate margins. Inflorescence terminal and axillary, of short spikes of glomerules. Male flowers 4- to 5-parted. Female flowers lacking a calyx; pistillate bracts united below. Mature pistillate bracts farinose, triangular, 4–5 mm long with dentate margins (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
In MT in several of the western counties, also McCone County; native to Eurasia but widespread across much of temperate N. Amer. (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 25

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



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



  • 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.
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Citation for data on this website:
Tumbling Orache — Atriplex rosea.  Montana Field Guide.  .  Retrieved on , from