Difference between revisions of "Eriogonum douglasii"
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 douglasii | |accepted_name=Eriogonum douglasii | ||
| − | |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. | ||
|place=14: 9. 1856 | |place=14: 9. 1856 | ||
|year=1856 | |year=1856 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|name=Eriogonum caespitosum subsp. douglasii | |name=Eriogonum caespitosum subsp. douglasii | ||
|authority=(Bentham) S. Stokes | |authority=(Bentham) S. Stokes | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Oligogonum;Eriogonum douglasii | |hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Oligogonum;Eriogonum douglasii | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Calif.;Nev.;Oreg.;Wash. |
|discussion=<p>Varieties 3 (3 in the flora).</p> | |discussion=<p>Varieties 3 (3 in the flora).</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eriogonum douglasii | name=Eriogonum douglasii | ||
| − | + | |authority=Bentham | |
| − | |authority=Bentham | ||
|rank=species | |rank=species | ||
|parent rank=subgenus | |parent rank=subgenus | ||
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|basionyms= | |basionyms= | ||
|family=Polygonaceae | |family=Polygonaceae | ||
| − | |distribution= | + | |distribution=Calif.;Nev.;Oreg.;Wash. |
|reference=None | |reference=None | ||
|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_741.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
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}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Eriogonum subg. Oligogonum]] | + | --> |
| + | |||
| + | [[Category:Treatment]] | ||
| + | [[Category:Eriogonum subg. Oligogonum]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 17:05, 6 November 2020
Herbs, matted, occasionally polygamodioecious, 0.4–1.5 × 0.5–6 dm, thinly tomentose to glabrate. Stems: caudex spreading; aerial flowering stems erect or nearly so, slender, solid, not fistulose, arising at nodes of caudex branches and at distal nodes of short, nonflowering aerial branches, 0.4–1.2 dm, with a whorl of 4–8 leaflike bracts ca. midlength, similar to leaf blades, 0.3–1.5 × 0.1–0.3 cm. Leaves in basal rosettes; petiole 0.05–0.5(–1) cm, tomentose; blade oblanceolate or elliptic to spatulate, 0.4–1.5(–1.9) × 0.1–0.5 cm, lanate on both surfaces, or tomentose abaxially and slightly less so and greenish adaxially, margins entire, plane. Inflorescences capitate, 0.8–1.5 cm wide; branches absent; bracts absent immediately below involucre. Involucres 1 per node, turbinate to turbinate-campanulate, 2.5–3.5 × 2–2.5 mm; teeth 6–14, lobelike, strongly reflexed, 1.5–4(–6) mm. Flowers 4–9 mm, including 0.7–2 mm stipelike base; perianth yellow, cream, or ochroleucous to rose-red, sparsely to densely villous abaxially; tepals monomorphic, obovate; stamens exserted, 4–6 mm; filaments pilose proximally. Achenes light brown, 3–4.5 mm, glabrous except for pubescent beak.
Distribution
Calif., Nev., Oreg., Wash.
Discussion
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Leaf blades tomentose abaxially, less so adaxially, narrowly oblanceolate to spatulate; flowers 5-9 mm; e Washington, ne Oregon | Eriogonum douglasii var. douglasii |
| 1 | Leaf blades usually densely lanate on both surfaces, elliptic to spatulate; flowers 4-8 mm; s Oregon, ne California, n Nevada | > 2 |
| 2 | Flowers 4-5(-6) mm; s Oregon, ne California, nw Nevada | Eriogonum douglasii var. meridionale |
| 2 | Flowers 5-8 mm; ne Nevada | Eriogonum douglasii var. elkoense |