Difference between revisions of "Eriogonum leptocladon var. leptocladon"

Common names: Sand wild buckwheat
Synonyms: Eriogonum effusum var. shandsii
Treatment appears in FNA Volume 5. Treatment on page 250. Mentioned on page 249.
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|accepted_name=Eriogonum leptocladon var. leptocladon
 
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|name=Eriogonum effusum var. shandsii
 
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|authority=unknown
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|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum leptocladon;Eriogonum leptocladon var. leptocladon
 
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eucycla;Eriogonum leptocladon;Eriogonum leptocladon var. leptocladon
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|subfamily=Polygonaceae subfam. Eriogonoideae
 
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|genus=Eriogonum
 
|genus=Eriogonum

Revision as of 21:54, 16 December 2019

Plants 4–12 × 5–20 dm. Aerial flowering stems floccose to glabrate. Leaves: blade linear-lanceolate to linear-oblanceolate, 1.5–4 × 0.2–0.4 cm, margins plane. Inflorescence branches thinly floccose to glabrate, rarely white-tomentose. Perianths pale yellow to yellow.


Phenology: Flowering Jun–Oct.
Habitat: White or red blow sand on flats, washes and slopes, mixed grassland, saltbush, ephedra, and sagebrush communities, pinyon-juniper woodlands
Elevation: 1100-1900 m

Discussion

Variety leptocladon is much more common in Utah’s Emery, Garfield, Grand, and Wayne counties than is either of the other two varieties. It also occurs in San Juan County, but there it is restricted to portions of Canyonlands National Park, and is just inside the eastern edge of Sevier County. It is encountered also, albeit rarely, in Navajo County, Arizona. Variety leptocladon is worthy of cultivation, especially those expressions with densely white-tomentose inflorescence branches such as found in the Dolores Triangle area north of Ryan Creek in Grand County (e.g., Atwood & Welsh 23213, BRY).

Selected References

None.

Lower Taxa

None.
James L. Reveal +
Torrey & A. Gray +
Undefined subg. Eucycla +
Sand wild buckwheat +
Ariz. +  and Utah. +
1100-1900 m +
White or red blow sand on flats, washes and slopes, mixed grassland, saltbush, ephedra, and sagebrush communities, pinyon-juniper woodlands +
Flowering Jun–Oct. +
in War Department [U.S.], Pacif. Railr. Rep. +
Eriogonum effusum var. shandsii +
Eriogonum leptocladon var. leptocladon +
Eriogonum leptocladon +
variety +