View source for Eriogonum incanum

{{Treatment/ID
|accepted_name=Eriogonum incanum
|accepted_authority=Torrey & A. Gray
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=8: 161. 1870
|year=1870
}}
|common_names=Frosted wild buckwheat
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Eriogonum marifolium var. incanum
|authority=(Torrey & A. Gray) M. E. Jones
|rank=variety
}} {{Treatment/ID/Synonym
|name=Eriogonum ursinum var. rosulatum
|authority=(Small) S. Stokes
|rank=variety
}}
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Oligogonum;Eriogonum incanum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygonaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Polygonaceae subfam. Eriogonoideae]]</div><div class="higher-taxon"><small>genus</small>[[Eriogonum]]</div><div class="higher-taxon"><small>subgenus</small>[[Eriogonum subg. Oligogonum]]</div><div class="higher-taxon"><small>species</small>[[Eriogonum incanum]]</div></div>
|volume=Volume 5
|mention_page=page 335, 365, 367
|treatment_page=page 366
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> matted, dioecious, 0.5–3 × 1–4 dm wide, tomentose to floccose. <b>Stems</b>: caudex spreading; aerial flowering stems erect or nearly so, slender, solid, not fistulose, arising at nodes of caudex branches and at distal nodes of short, nonflowering aerial branches, 0.1–2(–2.5) dm, tomentose to floccose. <b>Leaves</b> in loose to congested basal rosettes; petiole (0.3–)0.5–1 cm, tomentose; blade oblong to oblong-ovate or spatulate, 0.5–1.5 × 0.3–0.7 cm, densely white- or grayish-tomentose on both surfaces, sometimes greenish adaxially, margins entire, plane. <b>Inflorescences</b> capitate and 0.5–2 cm wide, mature pistillate plants open and umbellate, 1–3 × 1–4 cm; branches tomentose to floccose; bracts 2–6, leaflike, 0.1–0.5 × 0.1–0.3 cm, often absent immediately below involucre. <b>Involucres</b> 1 per node but occasionally appearing congested, turbinate-campanulate, 2.5–3 × 2–2.5 mm, tomentose; teeth 5–8, erect, 0.5–1 mm. <b>Flowers</b> stipelike base 0.5–1 mm; perianth yellow, glabrous; staminate flowers 2–3 mm, tepals ovate; pistillate flowers 4–6 mm, tepals oblanceolate, often becoming reddish in fruit; stamens exserted, 2–3 mm; filaments pilose proximally. <b>Achenes</b> light brown to brown, 3–3.5 mm, glabrous except for sparsely pubescent beak.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Sep.
|habitat=Sandy to gravelly or rocky granitic or occasionally volcanic flats, slopes, and outcrops, mixed grassland, manzanita, and sagebrush communities, montane conifer woodlands
|elevation=(1900-) 2100-4000 m
|distribution=Calif.;Nev.
|discussion=<p><i>Eriogonum incanum</i> is common throughout the central and southern Sierra <i>Nevada</i> of California (Alpine, El Dorado, Fresno, Inyo, Madera, Mariposa, <i>Nevada</i>, Tulare, and Tuolumne counties) and extreme west-central <i>Nevada</i> (Carson City, Douglas, and Washoe counties). It is a food plant for the green hairstreak butterfly (Callophrys lemberti), the Pacific dotted-blue (Euphilotes enoptes), and the gorgon copper (Gaeides gorgon).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Eriogonum incanum
|authority=Torrey & A. Gray
|rank=species
|parent rank=subgenus
|synonyms=Eriogonum marifolium var. incanum;Eriogonum ursinum var. rosulatum
|basionyms=
|family=Polygonaceae
|phenology=Flowering Jun–Sep.
|habitat=Sandy to gravelly or rocky granitic or occasionally volcanic flats, slopes, and outcrops, mixed grassland, manzanita, and sagebrush communities, montane conifer woodlands
|elevation=(1900-) 2100-4000 m
|distribution=Calif.;Nev.
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1870
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_751.xml
|subfamily=Polygonaceae subfam. Eriogonoideae
|genus=Eriogonum
|subgenus=Eriogonum subg. Oligogonum
|species=Eriogonum incanum
}}<!--

-->[[Category:Treatment]][[Category:Eriogonum subg. Oligogonum]]