Difference between revisions of "Eriogonum umbellatum var. glaberrimum"

(Gandoger) Reveal

Taxon 17: 532. 1968.

Common names: Warner Mountains sulphur flower
Basionym: Eriogonum glaberrimum Gandoger
Treatment appears in FNA Volume 5. Treatment on page 353. Mentioned on page 336.
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|publication year=1968
 
|publication year=1968
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V5/V5_714.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_714.xml
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|genus=Eriogonum
 
|genus=Eriogonum

Revision as of 17:40, 18 September 2019

Herbs, compact mats, 1–2.5(–3) × 3–8 dm. Aerial flowering stems erect, 1–2 dm, glabrous, without one or more leaflike bracts ca. midlength. Leaves in loose rosettes; blade narrowly elliptic to elliptic, 1–2 × 0.3–1 cm, glabrous and green on both surfaces, margins plane. Inflorescences umbellate; branches 3–8 cm, glabrous, with a whorl of bracts ca. midlength; involucral tubes 4–5 mm, lobes 1–3.5(–4) mm. Flowers 4–7 mm; perianth cream or whitish.


Phenology: Flowering Jul–Sep.
Habitat: Sandy to gravelly slopes, sagebrush communities, aspen and montane conifer woodlands
Elevation: 1600-2300 m

Discussion

Variety glaberrimum is localized and known with certainty from only five locations in the Warner Mountains of Lake County, Oregon, and Modoc County, California. A collection supposedly gathered somewhere in Klamath County, Oregon (Austin & Bruce 1758, DS) in 1897 is discounted. This expression of the species is worthy of introduction into cultivation.

Selected References

None.

Lower Taxa

None.
James L. Reveal +
(Gandoger) Reveal +
Eriogonum glaberrimum +
Warner Mountains sulphur flower +
Calif. +  and Oreg. +
1600-2300 m +
Sandy to gravelly slopes, sagebrush communities, aspen and montane conifer woodlands +
Flowering Jul–Sep. +
Illustrated +  and Endemic +
Eriogonum umbellatum var. glaberrimum +
Eriogonum umbellatum +
variety +