Difference between revisions of "Eriogonum nudum var. westonii"

(S. Stokes) J. T. Howell

Mentzelia 1: 20. 1976.

Common names: Weston’s wild buckwheat
Basionym: Eriogonum latifolium subsp. westonii S. Stokes
Synonyms: Eriogonum gramineum S. Stokes Eriogonum latifolium subsp. saxicola (A. Heller) S. Stokes Eriogonum nudum var. gramineum (S. Stokes) Reveal Eriogonum nudum subsp. saxicola (A. Heller) Munz Eriogonum saxicola unknown
Treatment appears in FNA Volume 5. Treatment on page 312. Mentioned on page 309, 310.
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|name=Eriogonum gramineum
 
|name=Eriogonum gramineum
 
|authority=S. Stokes
 
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}} {{Treatment/ID/Synonym
 
|name=Eriogonum latifolium subsp. saxicola
 
|name=Eriogonum latifolium subsp. saxicola
 
|authority=(A. Heller) S. Stokes
 
|authority=(A. Heller) S. Stokes
}}{{Treatment/ID/Synonym
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}} {{Treatment/ID/Synonym
 
|name=Eriogonum nudum var. gramineum
 
|name=Eriogonum nudum var. gramineum
 
|authority=(S. Stokes) Reveal
 
|authority=(S. Stokes) Reveal
}}{{Treatment/ID/Synonym
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}} {{Treatment/ID/Synonym
 
|name=Eriogonum nudum subsp. saxicola
 
|name=Eriogonum nudum subsp. saxicola
 
|authority=(A. Heller) Munz
 
|authority=(A. Heller) Munz
}}{{Treatment/ID/Synonym
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|name=Eriogonum saxicola
 
|name=Eriogonum saxicola
 
|authority=unknown
 
|authority=unknown
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|elevation=700-1900 m
 
|elevation=700-1900 m
 
|distribution=Calif.
 
|distribution=Calif.
|discussion=<p>Variety westonii is widespread and occasionally common along the foothills of the Inner Coast and Transverse ranges of Kern and Santa Barbara counties, and onto the foothills of the Sierra Nevada in Tulare County, where the plants tend to have multiple, slender to slightly fistulose flowering stems arising from a large, woody caudex. This phase gives way to a different expression along the eastern slope of the Sierra Nevada and adjacent desert ranges in Inyo and Mono counties, where plants tend to have one or a few prominently inflated flowering stems arising from a much more compact caudex. The name var. gramineum is available for this latter phase.</p>
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|discussion=<p>Variety westonii is widespread and occasionally common along the foothills of the Inner Coast and Transverse ranges of Kern and Santa Barbara counties, and onto the foothills of the Sierra <i>Nevada</i> in Tulare County, where the plants tend to have multiple, slender to slightly fistulose flowering stems arising from a large, woody caudex. This phase gives way to a different expression along the eastern slope of the Sierra <i>Nevada</i> and adjacent desert ranges in Inyo and Mono counties, where plants tend to have one or a few prominently inflated flowering stems arising from a much more compact caudex. The name var. gramineum is available for this latter phase.</p>
 
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|publication year=1976
 
|publication year=1976
 
|special status=
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V5/V5_622.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V5/V5_622.xml
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|genus=Eriogonum
 
|genus=Eriogonum

Revision as of 18:40, 18 September 2019

Plants 3–6 dm. Aerial flowering stems fistulose, 1–3 dm, glabrous. Leaves basal; blade 1–2 × 0.3–0.8 dm, tomentose abaxially, tomentose to floccose adaxially, margins undulate-crisped. Inflorescences often cymose, 10–30 × 5–20 cm; branches glabrous. Involucres 1(–2) per cluster, 3–5 mm, glabrous. Flowers 2.5–3 mm; perianth yellow or, infrequently, white, pubescent.


Phenology: Flowering May–Sep.
Habitat: Sandy, gravelly, or clayey flats, slopes or rocky outcrops, mixed grassland, saltbush, and sagebrush communities, oak, pinyon-juniper, and conifer woodlands
Elevation: 700-1900 m

Discussion

Variety westonii is widespread and occasionally common along the foothills of the Inner Coast and Transverse ranges of Kern and Santa Barbara counties, and onto the foothills of the Sierra Nevada in Tulare County, where the plants tend to have multiple, slender to slightly fistulose flowering stems arising from a large, woody caudex. This phase gives way to a different expression along the eastern slope of the Sierra Nevada and adjacent desert ranges in Inyo and Mono counties, where plants tend to have one or a few prominently inflated flowering stems arising from a much more compact caudex. The name var. gramineum is available for this latter phase.

Selected References

None.

Lower Taxa

None.
James L. Reveal +
(S. Stokes) J. T. Howell +
Eriogonum latifolium subsp. westonii +
Weston’s wild buckwheat +
700-1900 m +
Sandy, gravelly, or clayey flats, slopes or rocky outcrops, mixed grassland, saltbush, and sagebrush communities, oak, pinyon-juniper, and conifer woodlands +
Flowering May–Sep. +
Illustrated +
Eriogonum gramineum +, Eriogonum latifolium subsp. saxicola +, Eriogonum nudum var. gramineum +, Eriogonum nudum subsp. saxicola +  and Eriogonum saxicola +
Eriogonum nudum var. westonii +
Eriogonum nudum +
variety +