familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Oligogonum
speciesEriogonum sphaerocephalum
Difference between revisions of "Eriogonum sphaerocephalum var. sphaerocephalum"
Common names: Rock wild buckwheat
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Revision as of 21:10, 24 September 2019
Leaf blades usually oblanceolate, mostly lanate to tomentose on both surfaces, margins usually plane. Inflorescences umbellate or compound-umbellate. Perianths bright yellow.
Phenology: Flowering May–Jul.
Habitat: Sandy to gravelly flats and slopes, mixed grassland and sagebrush communities, juniper and montane conifer woodlands
Elevation: (100-)300-2000(-2300) m
Distribution
Calif., Idaho, Nev., Oreg., Wash.
Discussion
Variety sphaerocephalum is common and widespread in eastern Washington, eastern Oregon, and southwestern Idaho, less so in northern and central-western Nevada, and infrequent in California. A collection supposedly obtained in 1883 from the “Flathead region” of Montana (Ayres s.n., NY) is discounted as to location.
Selected References
None.
Lower Taxa
None.
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