familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum brevicaule
Eriogonum brevicaule var. micranthum
Taxon 16: 410. 1967.
Common names: Red Desert wild buckwheat
Endemic
Basionym: Eriogonum micranthum Nuttall Proc. Acad. Nat. Sci. Philadelphia 4: 15. 1848
Synonyms: Eriogonum brevicaule subsp. orendense (A. Nelson) S. Stokes Eriogonum orendense
Plants erect, (0.8–)1.5–5 × 2–5 dm. Aerial flowering stems erect, 0.5–1 dm, densely tomentose to lanate. Leaves: blade oblanceolate to narrowly spatulate, 1.5–5(–6) × (0.2–)0.3–0.8(–1.2) cm, margins plane. Inflorescences cymose, usually divide 3 or more times, 3–6 cm; branches tomentose. Involucres 1 per node, turbinate-campanulate, 2.5–3 × 2–2.5 mm, tomentose. Flowers (1–)1.5–2.5 mm; perianth yellow or, rarely, ochroleucous, glabrous.
Phenology: Flowering Jun–Sep.
Habitat: Sandy to gravelly flats and slopes, mixed grassland and sagebrush communities
Elevation: (1700-)1800-2400(-2600) m
Distribution
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Wyo.
Discussion
Variety micranthum is restricted to the Red Desert region of southwestern Wyoming in Carbon, Fremont, Lincoln, Natrona, Sublette, Sweetwater, and Uinta counties.
Selected References
None.
Lower Taxa
None.