Difference between revisions of "Eriogonum wrightii var. trachygonum"
Fl. W. Calif., 154. 1901.
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}} | }} | ||
|common_names=Rough-node bastard-sage | |common_names=Rough-node bastard-sage | ||
+ | |special_status={{Treatment/ID/Special_status | ||
+ | |code=E | ||
+ | |label=Endemic | ||
+ | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Eriogonum trachygonum | |name=Eriogonum trachygonum | ||
|authority=Torrey ex Bentham | |authority=Torrey ex Bentham | ||
+ | |rank=species | ||
|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_place=14: 15. 1856 | |publication_place=14: 15. 1856 | ||
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|name=Eriogonum wrightii subsp. trachygonum | |name=Eriogonum wrightii subsp. trachygonum | ||
|authority=(Torrey ex Bentham) S. Stokes | |authority=(Torrey ex Bentham) S. Stokes | ||
+ | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum wrightii;Eriogonum wrightii var. trachygonum | |hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum wrightii;Eriogonum wrightii var. trachygonum | ||
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|elevation=40-800 m | |elevation=40-800 m | ||
|distribution=Calif. | |distribution=Calif. | ||
− | |discussion=<p>Variety trachygonum is the common expression of the species in the Coast Ranges of California (Alameda, Butte, Lake, Merced, Monterey, San Benito, Santa Clara, Shasta, Solano, Stanislaus, Tehama, and Yolo counties). It is found also in scattered locations along the foothills of the Sierra <i>Nevada</i> (mainly Kern, Merced, <i>Nevada</i>, Stanislaus, and Tuolumne counties). The distinction between < | + | |discussion=<p>Variety trachygonum is the common expression of the species in the Coast Ranges of California (Alameda, Butte, Lake, Merced, Monterey, San Benito, Santa Clara, Shasta, Solano, Stanislaus, Tehama, and Yolo counties). It is found also in scattered locations along the foothills of the Sierra <i>Nevada</i> (mainly Kern, Merced, <i>Nevada</i>, Stanislaus, and Tuolumne counties). The distinction between <i></i>var.<i> trachygonum</i> and <i></i>var.<i> subscaposum</i> is imprecise. The difficulty arises in the foothills of the Sierra <i>Nevada</i>, where <i></i>var.<i> trachygonum</i> is reduced in stature and resembles the larger, mid-elevation expressions of <i></i>var.<i> subscaposum</i>. The problem is less pronounced in the Coast Ranges, but there one is uncertain whether the high-elevation plants are small forms of <i></i>var.<i> trachygonum</i> or disjunct populations of <i></i>var.<i> subscaposum</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eriogonum wrightii var. trachygonum | name=Eriogonum wrightii var. trachygonum | ||
− | |||
|authority=(Torrey ex Bentham) Jepson | |authority=(Torrey ex Bentham) Jepson | ||
|rank=variety | |rank=variety | ||
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|publication title=Fl. W. Calif., | |publication title=Fl. W. Calif., | ||
|publication year=1901 | |publication year=1901 | ||
− | |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_568.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum |
Latest revision as of 22:12, 5 November 2020
Subshrubs, 1.5–4 × 1–5 dm, mostly densely tomentose. Leaf blades elliptic, 1.5–3 × 0.5–1 cm, margins usually plane. Inflorescences virgate or cymose; branches stout. Involucres 3–4 mm. Flowers 3–4 mm; perianth white to pink or rose. Achenes 2.5–3 mm.
Phenology: Flowering Jul–Oct.
Habitat: Gravelly to rocky flats and slopes, mixed grassland and chaparral communities, oak and conifer woodlands
Elevation: 40-800 m
Discussion
Variety trachygonum is the common expression of the species in the Coast Ranges of California (Alameda, Butte, Lake, Merced, Monterey, San Benito, Santa Clara, Shasta, Solano, Stanislaus, Tehama, and Yolo counties). It is found also in scattered locations along the foothills of the Sierra Nevada (mainly Kern, Merced, Nevada, Stanislaus, and Tuolumne counties). The distinction between var. trachygonum and var. subscaposum is imprecise. The difficulty arises in the foothills of the Sierra Nevada, where var. trachygonum is reduced in stature and resembles the larger, mid-elevation expressions of var. subscaposum. The problem is less pronounced in the Coast Ranges, but there one is uncertain whether the high-elevation plants are small forms of var. trachygonum or disjunct populations of var. subscaposum.
Selected References
None.