Overview

Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Herbs, monoecious, prostrate or sprawling, or sometimes erect, branched, (1-)2-10 dm; branches opposite or subopposite. Stems green and striped, often blue-green when fresh, weakly ridged, sparsely scurfy to glabrous. Leaves: petiole 0.2-2.5(-3.5) cm; blade all entire or some or all triangular or lance-hastate with lobes spreading to antrorse, 5-100 × 3-80 mm, base abruptly to narrowly cuneate, entire or irregularly toothed. Flowers in loose glomerules, arranged in foliose, interrupted spikes or axillary, terminating stems and branches. Bracteoles green, becoming black or reddish to yellow brown, sessile or some short stipitate, venation obscure, ovate-triangular to rhombic-triangular, 5-13 mm, margin united almost to middle, with few irregular teeth or entire, apex abruptly acuminate, faces irregularly muricate, tuberculate, or smooth, inflated, spongy inner layer strongly developed at bracteole base. Seeds dimorphic: brown, 2.5-4 mm wide (often the only ones present), or black, (1.2-)1.5-2.9(-3) mm wide; radicle median, ± antrorse, of brown seed basal and spreading. 2n = 18, 36.
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Ecology

Associations

In Great Britain and/or Ireland:
Foodplant / parasite
sporangium of Peronospora minor parasitises live Atriplex glabriuscula

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Atriplex glabriuscula

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 glabriuscula

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 9
Specimens with Barcodes: 14
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N5 - Secure

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

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Notes

Comments

Members of the Atriplex glabriuscula complex occupy saline or brackish marshes and saline coastal strands mainly in the eastern maritime provinces of Canada, with extensions in similar habitats into the northeastern United States. They are seldom, if ever, ruderal weeds and appear to be indigenous or perhaps early introduced in some part from similar European habitats. The constituent taxa have been regarded at specific level (P. M. Taschereau 1972; I. J. Bassett et al. 1983). They are, however, alike in all major morphologic features, and are apparently closely allied. For those who wish to treat them at specific level, the names are supplied in the synonymy.
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