familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Oligogonum
speciesEriogonum compositum
Difference between revisions of "Eriogonum compositum var. leianthum"
Hooker’s J. Bot. Kew Gard. Misc. 5: 264. 1853.
Common names: Smooth arrow-leaf wild buckwheat
Synonyms: Eriogonum compositum var. simplex (S. Watson ex Piper) H. St. John & F. A. Warren
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Revision as of 20:09, 24 September 2019
Plants 2–4(–5) dm. Aerial flowering stems usually slender, infrequently fistulose, 1–3 dm, usually glabrous, rarely floccose. Leaf blades ovate to deltoid, 3–10(–15) × 2–4(–4.5) cm. Involucres glabrous or more commonly weakly glandular-puberulent. Flowers 5–6 mm; perianth usually bright yellow.
Phenology: Flowering May–Jul.
Habitat: Sandy to gravelly slopes, mixed grassland and sagebrush communities, oak and montane conifer woodlands
Elevation: 30-1600(-2000) m
Distribution
Idaho, Oreg., Wash.
Discussion
Variety leianthum is mostly occasional to locally common in eastern Washington, northwestern and west-central Idaho, and northeastern Oregon.
Selected References
None.
Lower Taxa
None.
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