Difference between revisions of "Eriogonum ovalifolium var. purpureum"

(Nuttall) Durand

Trans. Amer. Philos. Soc., n. s. 11: 175. 1860.

Common names: Purple cushion wild buckwheat
Endemic
Basionym: Eucycla purpurea Nuttall Proc. Acad. Nat. Sci. Philadelphia 4: 17. 1848
Synonyms: Eriogonum davisianum S. Stokes Eriogonum orthocaulon Small Eriogonum ovalifolium var. celsum A. Nelson Eriogonum ovalifolium var. orthocaulon (Small) C. L. Hitchcock Eriogonum ovalifolium subsp. purpureum (Nuttall) A. Nelson ex S. Stokes
Treatment appears in FNA Volume 5. Treatment on page 320. Mentioned on page 321, 322, 323.
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|common_names=Purple cushion wild buckwheat
 
|common_names=Purple cushion wild buckwheat
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|special_status={{Treatment/ID/Special_status
 +
|code=E
 +
|label=Endemic
 +
}}
 
|basionyms={{Treatment/ID/Basionym
 
|basionyms={{Treatment/ID/Basionym
 
|name=Eucycla purpurea
 
|name=Eucycla purpurea
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|publication title=Trans. Amer. Philos. Soc., n. s.
 
|publication title=Trans. Amer. Philos. Soc., n. s.
 
|publication year=1860
 
|publication year=1860
|special status=
+
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_645.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_645.xml
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|genus=Eriogonum
 
|genus=Eriogonum

Latest revision as of 22:12, 5 November 2020

Plants 2.5–4 dm wide. Leaf blades spatulate, oblong, or obovate to oval, 0.5–2 cm, tomentose to floccose, margins not brownish. Scapes erect, (4–)5–20 cm, tomentose. Inflorescences capitate, 1.5–3.5 cm wide; branches absent. Involucres 3–15 per cluster, 4–5 mm. Flowers 4–5 mm; perianth white to rose or purple. 2n = 40.


Phenology: Flowering Apr–Aug.
Habitat: Sandy to gravelly flats, washes, slopes, and ridges, mixed grassland, saltbush, and sagebrush communities, pinyon and/or juniper and montane conifer woodlands
Elevation: 700-3100 m

Distribution

V5 645-distribution-map.gif

Alta., B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.

Discussion

Variety purpureum is the most widespread and common expression of the species, being found in southern British Columbia and southwestern Alberta, and in northern Arizona, eastern California, western Colorado, Idaho, western Montana, Nevada, northwestern New Mexico, eastern Oregon, Utah, southeastern Washington, and Wyoming. It approaches var. depressum both geographically and morphologically in the Yellowstone National Park area, and a clear distinction is not always possible. The name var. ovalifolium was long misapplied to what is here termed var. purpureum.

Selected References

None.

Lower Taxa

None.
James L. Reveal +
(Nuttall) Durand +
Eucycla purpurea +
Purple cushion wild buckwheat +
Alta. +, B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +, Wash. +  and Wyo. +
700-3100 m +
Sandy to gravelly flats, washes, slopes, and ridges, mixed grassland, saltbush, and sagebrush communities, pinyon and/or juniper and montane conifer woodlands +
Flowering Apr–Aug. +
Trans. Amer. Philos. Soc., n. s. +
Eriogonum davisianum +, Eriogonum orthocaulon +, Eriogonum ovalifolium var. celsum +, Eriogonum ovalifolium var. orthocaulon +  and Eriogonum ovalifolium subsp. purpureum +
Eriogonum ovalifolium var. purpureum +
Eriogonum ovalifolium +
variety +