Difference between revisions of "Eriogonum shockleyi"

S. Watson

Proc. Amer. Acad. Arts 18: 194. 1883.

Common names: Shockley’s wild buckwheat
IllustratedEndemic
Synonyms: Eriogonum pulvinatum Small Eriogonum shockleyi subsp. candidum (M. E. Jones) S. Stokes Eriogonum shockleyi subsp. longilobum (M. E. Jones) S. Stokes Eriogonum shockleyi var. longilobum (M. E. Jones) Reveal Eriogonum shockleyi var. packardiae Reveal Eriogonum villiflorum var. candidum M. E. Jones
Treatment appears in FNA Volume 5. Treatment on page 286. Mentioned on page 226, 230, 232, 237, 240, 273.
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|common_names=Shockley’s wild buckwheat
 
|common_names=Shockley’s wild buckwheat
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|special_status={{Treatment/ID/Special_status
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|code=F
 +
|label=Illustrated
 +
}}{{Treatment/ID/Special_status
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|code=E
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|label=Endemic
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}}
 
|basionyms=
 
|basionyms=
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Eriogonum pulvinatum
 
|name=Eriogonum pulvinatum
 
|authority=Small
 
|authority=Small
 +
|rank=species
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Eriogonum shockleyi subsp. candidum
 
|name=Eriogonum shockleyi subsp. candidum
 
|authority=(M. E. Jones) S. Stokes
 
|authority=(M. E. Jones) S. Stokes
 +
|rank=subspecies
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Eriogonum shockleyi subsp. longilobum
 
|name=Eriogonum shockleyi subsp. longilobum
 
|authority=(M. E. Jones) S. Stokes
 
|authority=(M. E. Jones) S. Stokes
 +
|rank=subspecies
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Eriogonum shockleyi var. longilobum
 
|name=Eriogonum shockleyi var. longilobum
 
|authority=(M. E. Jones) Reveal
 
|authority=(M. E. Jones) Reveal
 +
|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Eriogonum shockleyi var. packardiae
 
|name=Eriogonum shockleyi var. packardiae
 
|authority=Reveal
 
|authority=Reveal
 +
|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Eriogonum villiflorum var. candidum
 
|name=Eriogonum villiflorum var. candidum
 
|authority=M. E. Jones
 
|authority=M. E. Jones
 +
|rank=variety
 
}}
 
}}
 
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum shockleyi
 
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum shockleyi
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name=Eriogonum shockleyi
 
name=Eriogonum shockleyi
|author=
 
 
|authority=S. Watson
 
|authority=S. Watson
 
|rank=species
 
|rank=species
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|publication title=Proc. Amer. Acad. Arts
 
|publication title=Proc. Amer. Acad. Arts
 
|publication year=1883
 
|publication year=1883
|special status=
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|special status=Illustrated;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V5/V5_558.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_558.xml
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|subfamily=Polygonaceae subfam. Eriogonoideae
 
|genus=Eriogonum
 
|genus=Eriogonum

Latest revision as of 22:12, 5 November 2020

Herbs, matted, scapose, 0.3–0.5(–0.7) × (0.5–)1–4(–20) dm, floccose to tomentose, greenish or grayish. Stems matted, sometimes only seemingly so, with persistent leaf bases, up to 1/5 height of plant; caudex stems matted; aerial flowering stems absent or scapelike, erect or nearly so, slender, solid, not fistulose, (0.05–)0.1–0.3 dm, floccose to tomentose. Leaves basal, fasciculate in terminal tufts; petiole 0.2–0.5 cm, tomentose to floccose; blade oblanceolate to elliptic or spatulate, (0.2–)0.3–0.8(–1.2) × 0.2–0.4(–0.6) cm, tomentose to floccose, margins plane or slightly thickened. Inflorescences capitate, 0.8–2 cm; branches absent; bracts 3–5, scalelike, linear to linear-lanceolate, 1.5–4 × 0.6–1 mm. Peduncles absent. Involucres 2–4(–6) per cluster, campanulate, (2–)2.5–5(–6) × 3–6(–7) mm, rigid, tomentose; teeth 5–10, erect to spreading, (0.5–)1–3 mm. Flowers 2.5–4 mm; perianth white to rose or yellow, densely pilose; tepals connate proximally, monomorphic, oblong to obovate; stamens exserted, 2.5–5 mm; filaments subglabrous or sparsely pilose proximally. Achenes light brown to brown, 2.5–3 mm, tomentose.


Phenology: Flowering May–Aug.
Habitat: Gravelly or clayey (rarely sandy) flats, washes, and slopes, saltbush, blackbrush, and sagebrush communities, pinyon-juniper woodlands
Elevation: (800-)1200-2600 m

Distribution

V5 558-distribution-map.gif

Ariz., Calif., Colo., Idaho, Nev., N.Mex., Utah.

Discussion

Eriogonum shockleyi is widely distributed in northern Arizona, east-central California, western Colorado, southern Idaho, northwestern New Mexico, Nevada, and Utah. On the Colorado Plateau, it has oblanceolate to spatulate leaf blades usually 0.3–1.2 × 0.3–0.6 cm, scapes 1–3 cm, involucres with long (2–3.5 mm) often spreading teeth, and flowers 3–4 mm. These plants have been distinguished as var. longilobum. The typical Great Basin expression has elliptic leaf blades 0.3–0.6 × 0.3–0.5 cm, scapes 0.5–2 cm, involucres with short (0.5–2 mm) erect teeth, and flowers 2.5–4 mm. Low, compact, hummock-like plants in southwestern Idaho with elliptic leaf blades 0.1–0.3(–0.35) × 0.1–0.15 cm, flowering stems absent or up to 0.5 cm, and involucres 2.5–3 mm with teeth 0.8–1 mm have been termed var. packardiae. These morphologic differences have been shown to be genetically insignificant, however (J. F. Smith and T. A. Bateman 2002). Plants on moving sand dunes at the southeast end of Baking Power Flat in Lincoln County, Nevada, can be up to 2 m across. Further studies may indicate that the various geographic expressions deserve taxonomic recognition.

The Great Basin expression is the food plant of the Bernardino dotted-blue butterfly (Euphilotes bernardino). Members of the species are occasionally found in cultivation.

Lower Taxa

None.
... more about "Eriogonum shockleyi"
James L. Reveal +
S. Watson +
Undefined subg. Eucycla +
Shockley’s wild buckwheat +
Ariz. +, Calif. +, Colo. +, Idaho +, Nev. +, N.Mex. +  and Utah. +
(800-)1200-2600 m +
Gravelly or clayey (rarely sandy) flats, washes, and slopes, saltbush, blackbrush, and sagebrush communities, pinyon-juniper woodlands +
Flowering May–Aug. +
Proc. Amer. Acad. Arts +
moseley1995a +  and smith2002a +
Illustrated +  and Endemic +
Eriogonum pulvinatum +, Eriogonum shockleyi subsp. candidum +, Eriogonum shockleyi subsp. longilobum +, Eriogonum shockleyi var. longilobum +, Eriogonum shockleyi var. packardiae +  and Eriogonum villiflorum var. candidum +
Eriogonum shockleyi +
Eriogonum subg. Eucycla +
species +