familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Ganysma
speciesEriogonum spergulinum
Eriogonum spergulinum var. reddingianum
Leafl. W. Bot. 6: 79. 1950.
Common names: Redding’s wild buckwheat
Basionym: Oxytheca reddingiana M. E. Jones Bull. Torrey Bot. Club 9: 32. 1882
Synonyms: Eriogonum spergulinum subsp. reddingianum (M. E. Jones) Munz ex Reveal
Treatment appears in FNA Volume 5. Treatment on page 409.
Revision as of 20:10, 24 September 2019 by FNA>Volume Importer
Plants erect, 0.8–4 dm. Inflorescence branches: internodes glandular. Flowers 1.5–2.5 mm, perianth glabrous or sparsely hairy.
Phenology: Flowering Jun–Sep.
Habitat: Sandy to gravelly, often granitic or pumice flats and slopes, sagebrush communities, oak, montane, and subalpine conifer woodlands
Elevation: 1300-3400 m
Distribution
Calif., Idaho, Nev., Oreg.
Discussion
Variety reddingianum is widespread and often common to even locally weedy. It occurs in the mountains and cold desert regions of California from the Transverse Ranges northward in the mountains of eastern California and western Nevada, and in California’s North Coast Ranges. It is found also in less montane, mainly cold desert regions of southern Oregon, and disjunct at scattered sites in central Idaho.
Selected References
None.
Lower Taxa
None.
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