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Montana Field Guide

Montana Field Guides

Tumbling Orache - Atriplex rosea

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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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).

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).

Habitat

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