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Overview

Brief Summary

There are several species of orache notable for the coast. Shore orache grows on the beach in the flood mark and along the borders of salt marshes and sea dikes. Babington's orache and spear-leaved orache grow between stones on sea dikes, above the high-tide water line. Frosted orache is also a species of the flood mark, particularly when it is made up of brown seaweed buried in sand. Oraches are commonly called saltbushes, thanks to the fact that their leaves retain so much salt.
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Distribution

National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Distribution in Egypt

Mediterranean region and Sinai.

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Global Distribution

Europe, north Africa, west and central Asia.

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introduced; N.B., N.S., P.E.I.; Ill., Ind., Maine, Mass., Mich., N.H., Ohio, Pa.; Europe.
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Physical Description

Morphology

Description

Herbs, monoecious or sub-dioecious, 2.5-7.5(-10) dm. Stems erect or forming sprawling tangled clumps and mostly green; branches erect-ascending, proximal ones opposite and ascending, sparsely scurfy when young, obtusely angled. Leaves alternate or only proximalmost opposite, all shortly petiolate; blade green on both surfaces, linear, linear-oblong, linear-lanceolate, or oblong, (10-)25-80(-120) × 2-8(-12) mm, thin, gradually narrowed, margin mostly entire or some sinuate-dentate with antrorse teeth, apex obtuse to acuminate. Inflorescences of long, dense or interrupted hairy spikes often forming panicle to 20 cm; staminate flowers 4-5-merous. Pistillate bracteoles sessile, triangular to ovate or ovate-rhombic, (3-)5-7 mm, mostly denticulate, rarely subentire, faces tuberculate almost distinct, green becoming brown or black. Seeds dimorphic: brown, 2-2.8 mm wide, round and ± flattened, or black, 1.5-2 mm wide, round, evenly convex; radicle inferior. 2n = 18.
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Diagnostic Description

Synonym

Atriplex hastata Linnaeus var. littoralis (Linnaeus) Farwell; A. patula Linnaeus var. littoralis (Linnaeus) A. Gray; A. patula subsp. littoralis (Linnaeus) H. M. Hall & Clements
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Ecology

Habitat

Coastal sands.

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Sea beaches and other saline habitats, old ports and ballast dumps; mainly below 100m.
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Associations

Foodplant / saprobe
pycnidium of coelomycetous anamorph of Chaetoplea calvescens is saprobic on dead stem of Atriplex littoralis

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Life History and Behavior

Cyclicity

Flowering/Fruiting

Flowering summer.
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Life Expectancy

Annual.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Atriplex littoralis

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Atriplex littoralis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 6
Specimens with Barcodes: 12
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: N4 - Apparently Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

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Wikipedia

Atriplex littoralis

Atriplex littoralis, the grassleaf orache,[1] is a species of shrub in the Amaranthaceae family. It is 70-80 cm high and grows along beaches many places in the world. It has narrow leaves and grey-green color. In northern Europe it has flowers from July until September.

References

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Names and Taxonomy

Taxonomy

Comments: Kartesz 1999 recognizes Atriplex littoralis L. as distinct but includes Atriplex littoralis (Jacq.) Fawcett & Rendle in Atriplex cristata Humb. & Bonpl. ex Willd.

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