Eriogonum brevicaule var. brevicaule

Common names: Short-stem wild buckwheat
Synonyms: Eriogonum brevicaule subsp. grangerense (M. E. Jones) S. Stokes Eriogonum brevicaule var. wasatchense Eriogonum campanulatum M. E. Jones Eriogonum grangerense Eriogonum wasatchense
Treatment appears in FNA Volume 5. Treatment on page 265. Mentioned on page 264, 268, 270.

Plants erect, (0.8–)1.5–4(–5) × 2–5(–8) dm. Aerial flowering stems erect, 1–2.5 dm, glabrous. Leaves: blade linear to oblanceolate, 3–10 × 0.1–0.7 cm, tomentose abaxially, less so to thinly floccose and green adaxially, margins plane. Inflorescences cymose, usually divided 3 or more times, (3–)5–25 cm; branches glabrous. Involucres 1 per node, turbinate to turbinate-campanulate, 2–4 × (1–)1.5–2.5(–3) mm, glabrous. Flowers (2–)2.5–3 mm; perianth yellow, rarely white or cream, glabrous.


Phenology: Flowering Jun–Sep.
Habitat: Sandy to clayey flats, washes and slopes, mixed grassland and sagebrush communities, juniper or montane conifer woodlands
Elevation: 1400-3000 m

Distribution

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Colo., Idaho, Nebr., S.Dak., Utah, Wyo.

Discussion

Variety brevicaule is widely scattered in northwestern and north-central Colorado, southeastern Idaho, western Nebraska, southwestern South Dakota, northern Utah, and Wyoming. Plants with white or cream-colored perianths occur in southwestern Wyoming and have been called var. grangerense. Hybrids involving var. brevicaule and E. corymbosum var. corymbosum are known from southwestern Wyoming.

Selected References

None.

Lower Taxa

None.

James L. Reveal +
Nuttall +
Undefined subg. Eucycla +
Short-stem wild buckwheat +
Colo. +, Idaho +, Nebr. +, S.Dak. +, Utah +  and Wyo. +
1400-3000 m +
Sandy to clayey flats, washes and slopes, mixed grassland and sagebrush communities, juniper or montane conifer woodlands +
Flowering Jun–Sep. +
Proc. Acad. Nat. Sci. Philadelphia +
Eriogonum brevicaule subsp. grangerense +, Eriogonum brevicaule var. wasatchense +, Eriogonum campanulatum +, Eriogonum grangerense +  and Eriogonum wasatchense +
Eriogonum brevicaule var. brevicaule +
Eriogonum brevicaule +
variety +