Difference between revisions of "Eriogonum sphaerocephalum"
Trans. Linn. Soc. London 17: 407. 1836.
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|place=17: 407. 1836 | |place=17: 407. 1836 | ||
|year=1836 | |year=1836 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Calif.;Idaho;Nev.;Oreg.;Wash. |
|discussion=<p>Varieties 4 (4 in the flora).</p><!-- | |discussion=<p>Varieties 4 (4 in the flora).</p><!-- | ||
--><p>The Piute of <i>Nevada</i> have used a decoction of the root of <i>Eriogonum sphaerocephalum</i> (either <i></i>var.<i> sphaerocephalum</i> or var. halimoides) to treat colds and diarrhea (P. Train et al. 1941).</p> | --><p>The Piute of <i>Nevada</i> have used a decoction of the root of <i>Eriogonum sphaerocephalum</i> (either <i></i>var.<i> sphaerocephalum</i> or var. halimoides) to treat colds and diarrhea (P. Train et al. 1941).</p> | ||
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|basionyms= | |basionyms= | ||
|family=Polygonaceae | |family=Polygonaceae | ||
| − | |distribution= | + | |distribution=Calif.;Idaho;Nev.;Oreg.;Wash. |
|reference=None | |reference=None | ||
|publication title=Trans. Linn. Soc. London | |publication title=Trans. Linn. Soc. London | ||
|publication year=1836 | |publication year=1836 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_736.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
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[[Category:Treatment]] | [[Category:Treatment]] | ||
[[Category:Eriogonum subg. Oligogonum]] | [[Category:Eriogonum subg. Oligogonum]] | ||
| − | [[Category: | + | [[Category:Revised Since Print]] |
Latest revision as of 18:06, 6 November 2020
Subshrubs, spreading to erect, infrequently polygamodioecious, 0.5–4 × 3–5(–6) dm, floccose or glabrous. Stems: caudex spreading; aerial flowering stems erect, slender, solid, not fistulose, arising at nodes of caudex branches and at distal nodes of short, non-flowering aerial branches, (0.3–)0.5–1 dm, thinly floccose or glabrous, with a whorl of 4–8 leaflike bracts ca. midlength or proximally, linear-oblanceolate to oblanceolate, 1–2 × 0.1–0.4 cm. Leaves in loose to congested basal rosettes; petiole 0.05–0.3 cm, floccose or glabrous; blade linear-oblanceolate, narrowly oblanceolate, or narrowly spatulate, 1–3(–4) × (0.1–)0.3–0.6(–1) cm, lanate or tomentose to floccose or glabrous, margins entire, plane or revolute. Inflorescences capitate, compound-umbellate, or umbellate, 1–2 cm wide or 1–5 × 1–5 cm; branches thinly floccose or glabrous; bracts absent immediately below involucre. Involucres 1 per node, turbinate-campanulate to campanulate, 3–4 × 2.5–4.5 mm; teeth 6–10, lobelike, slightly reflexed, 1.5–3(–5) mm. Flowers (5–)6–9 mm, including 1–2 mm stipelike base; perianth pale to bright yellow or cream to ochroleucous, villous abaxially; tepals monomorphic, obovate to oblong-ovate; stamens exserted, 4–6 mm; filaments pilose proximally. Achenes light brown, 3–4 mm, glabrous except for sparsely pubescent beak.
Distribution
Calif., Idaho, Nev., Oreg., Wash.
Discussion
Varieties 4 (4 in the flora).
The Piute of Nevada have used a decoction of the root of Eriogonum sphaerocephalum (either var. sphaerocephalum or var. halimoides) to treat colds and diarrhea (P. Train et al. 1941).
Selected References
None.
Lower Taxa
Key
| 1 | Perianths bright yellow; inflorescences umbellate or compound-umbellate; ne California, sw Idaho, n and wc Nevada, e Oregon, and e Washington | Eriogonum sphaerocephalum var. sphaerocephalum |
| 1 | Perianths pale yellow to cream or ochroleucous; inflorescences umbellate, compound-umbellate, or capitate; ne California, sw or wc Idaho, c Oregon, and c Washington | > 2 |
| 2 | Leaf blades usually thinly floccose or glabrous on both surfaces; inflorescences umbellate or compound-umbellate; sw Idaho | Eriogonum sphaerocephalum var. fasciculifolium |
| 2 | Leaf blades tomentose on both surfaces, or floccose adaxially; inflorescence capitate or umbellate; ne California to nw Nevada, c Oregon to wc Idaho, and c Washington. [3. Shifted to left margin.—Ed.] | > 3 |
| 3 | Leaf blades usually narrowly oblanceolate to narrowly spatulate, margins plane; ne California to nw Nevada, c Oregon to wc Idaho, and c Washington | Eriogonum sphaerocephalum var. halimioides |
| 3 | Leaf blades linear-oblanceolate, margins usually revolute; nc Oregon, sc Washington | Eriogonum sphaerocephalum var. sublineare |