Difference between revisions of "Eriogonum collinum"
Contr. W. Bot. 11: 15. 1903.
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|common_names=Juniper wild buckwheat | |common_names=Juniper wild buckwheat | ||
+ | |special_status={{Treatment/ID/Special_status | ||
+ | |code=E | ||
+ | |label=Endemic | ||
+ | }} | ||
|basionyms= | |basionyms= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eriogonum collinum | name=Eriogonum collinum | ||
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|authority=S. Stokes ex M. E. Jones | |authority=S. Stokes ex M. E. Jones | ||
|rank=species | |rank=species | ||
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|publication title=Contr. W. Bot. | |publication title=Contr. W. Bot. | ||
|publication year=1903 | |publication year=1903 | ||
− | |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_841.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum |
Latest revision as of 23:14, 5 November 2020
Herbs, erect or spreading, annual, 1–5(–7) dm, glabrous or infrequently slightly floccose, greenish, grayish, or reddish. Stems: caudex absent; aerial flowering stems erect, solid, not fistulose, 0.3–1 dm, glabrous, infrequently slightly floccose proximally. Leaves basal; petiole 1–5 cm, floccose; blade elliptic to obovate or orbiculate, (0.5–)1–2.5(–3) × (0.5–)1–3 (3.5) cm, tomentose to hirsute abaxially, floccose or glabrous and greenish adaxially, margins plane. Inflorescences cymose to cymose-paniculate or racemose, open, 5–60 × 5–45 cm; branches glabrous; bracts 3, scalelike, 1–2(–4) × 1–2 mm. Peduncles ascending, curving, slender, 1–5 cm, glabrous. Involucres turbinate, (1.5–)2–3 × (1–)1.5–2.5 mm, glabrous; teeth 5, erect, 0.5–1 mm. Flowers 1–2.5 mm; perianth white to pale yellow, glabrous, pustulose proximally; tepals monomorphic, lanceolate to spatulate or ovate; stamens included, 1–1.8 mm; filaments glabrous. Achenes brown, lenticular, 2–2.5 mm, glabrous. 2n = 36.
Phenology: Flowering May–Nov.
Habitat: Sandy to clayey or gravelly washes, flats, and slopes, saltbush, greasewood, sagebrush, and mountain mahogany communities, pinyon and/or juniper woodlands
Elevation: 1300-2000 m
Distribution
Calif., Nev., Oreg.
Discussion
Eriogonum collinum is infrequent to locally common in the Lahontan Basin region of the Intermountain West in northeastern California (Lassen and Modoc counties), south-central Oregon (Lake County), and northwestern Nevada (Douglas, Humboldt, Lyon, Pershing, Storey, and Washoe counties).
Selected References
None.