Overview

Distribution

National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Global Range: SW Alberta and southeast British Columbia, south through Idaho and Montana.

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Alta.; Mont.
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Physical Description

Morphology

Description

Herbs, matted, 0.5-3 dm wide, tomentose to floccose. Stems: caudex spreading; aerial flowering stems ascending to erect, slender, solid, not fistulose, arising at nodes of caudex branches and at distal nodes of short, non-flowering aerial branches, (0.1-)0.3-0.7(-1) dm, tomentose to floccose or subglabrous. Leaves basal, occasionally in rosettes; petiole 0.3-1.5 cm, tomentose; blade narrowly elliptic, (0.5-)1-2 × 0.2-0.5 cm, densely white-lanate or grayish-tomentose abaxially, floccose and green adaxially, margins entire, usually slightly revolute. Inflorescences subcapitate or umbellate, 0.5-1.5 × 0.3-2 cm; branches tomentose to floccose; bracts 5-7, semileaflike at proximal node, 0.4-1 × 0.1-0.3 cm, often absent immediately below involucre. Involucres 1 per node, narrowly turbinate to turbinate-campanulate, 3-5 × 3-4.5 mm, tomentose to floccose; teeth 5-8, erect, 0.2-0.5 mm. Flowers (3.5-)4-5(-6.5) mm, including 0.1-0.2 mm stipelike base; perianth pale yellow, sparsely pubescent abaxially; tepals monomorphic, narrowly oblong; stamens exserted, 4-5 mm; filaments pilose proximally. Achenes light brown, (3-)4-6 mm, glabrous.
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Diagnostic Description

Synonym

Eriogonum flavum Nuttall subsp. androsaceum (Bentham) S. Stokes
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Ecology

Habitat

Comments: Open rocky foothills and subalpine slopes (Scoggan, 1978).

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Sandy to gravelly or rocky to talus slopes, ridges, and outcrops, mixed grassland, sagebrush, or alpine meadow communities, montane conifer woodlands; 1700-2700m.
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Life History and Behavior

Cyclicity

Flowering/Fruiting

Flowering Jul-Aug.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Eriogonum androsaceum

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
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: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

Reasons: This species is not rare, but I cannot verify whether it is common enough to merit G5 ranking. In Idaho and Montana floras it is included with E. flavum, a very common species.

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Notes

Comments

Eriogonum androsaceum is common in the high northern Rocky Mountains in southern Alberta and northwestern Montana (Glacier, Lincoln, Park, Pondera, and Teton counties). It is clearly related to E. flavum but is sufficiently distinct to merit recognition as a species. It is seen occasionally in cultivation but deserves more horticultural attention.  

A decoction of the rock-jasmine wild buckwheat was used in sweatbaths for rheumatism, and for internal pain by the Thompson Indians of British Columbia (E. V. Steedman 1930). Interestingly, Steedman indicated also that a strong decoction of the plants was used for syphilis.

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