familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum rosense
Difference between revisions of "Eriogonum rosense var. rosense"
Common names: Mt. Rose wild buckwheat
Synonyms: Eriogonum ochrocephalum var. agnellum unknown Eriogonum ochrocephalum subsp. agnellum (Jepson) S. Stokes
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Revision as of 20:09, 24 September 2019
Plants 0.2–1 × 0.5–1.5(–2) dm. Leaf blades oblanceolate to elliptic, 0.4–1.5(–1.7) × (0.15–)0.25–0.6(–1) cm, densely white-tomentose and glandular on both surfaces. Involucres turbinate to turbinate-campanulate, (2.5–)3–4(–4.5) × 2.5–3.5 mm; teeth (5–)6–8. Flowers 2–3 mm; perianth bright yellow to reddish yellow; tepals obovate. Achenes 1.5–2.5 mm. 2n = 40.
Phenology: Flowering Jul–Sep.
Habitat: Granitic or volcanic slopes and ridges, sagebrush communities, montane to alpine conifer woodlands
Elevation: (2300-)2500-4000 m
Discussion
Variety rosense is common in the Sierra Nevada (Alpine, Amador, El Dorado, Fresno, Inyo, Madera, Mono, Nevada, Placer, Shasta, Sierra, and Tuolumne counties) and higher desert ranges to the east in Carson City, Douglas, Esmeralda, Storey, and Washoe counties, Nevada. It is an excellent rock-garden plant.
Selected References
None.
Lower Taxa
None.