Difference between revisions of "Eriogonum androsaceum"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 14: 9. 1856.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Eriogonum androsaceum | |accepted_name=Eriogonum androsaceum | ||
| − | |accepted_authority=Bentham | + | |accepted_authority=Bentham |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | |title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
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}} | }} | ||
|common_names=Rock-jasmine wild buckwheat | |common_names=Rock-jasmine wild buckwheat | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Eriogonum flavum subsp. androsaceum | |name=Eriogonum flavum subsp. androsaceum | ||
|authority=(Bentham) S. Stokes | |authority=(Bentham) S. Stokes | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Oligogonum;Eriogonum androsaceum | |hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Oligogonum;Eriogonum androsaceum | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eriogonum androsaceum | name=Eriogonum androsaceum | ||
| − | + | |authority=Bentham | |
| − | |authority=Bentham | ||
|rank=species | |rank=species | ||
|parent rank=subgenus | |parent rank=subgenus | ||
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|publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | |publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
|publication year=1856 | |publication year=1856 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_768.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 22:13, 5 November 2020
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.
Phenology: Flowering Jul–Aug.
Habitat: Sandy to gravelly or rocky to talus slopes, ridges, and outcrops, mixed grassland, sagebrush, or alpine meadow communities, montane conifer woodlands
Elevation: 1700-2700 m
Discussion
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.
Selected References
None.