familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum brevicaule
Eriogonum brevicaule var. canum
Vasc. Pl. Wyoming, 299. 1988.
Common names: Parasol wild buckwheat
EndemicConservation concern
Basionym: Eriogonum multiceps subsp. canum S. Stokes Eriogonum, 94. 1936
Synonyms: Eriogonum lagopus Rydberg Eriogonum pauciflorum var. canum (S. Stokes) Reveal
Plants erect, 1.5–3 × 1.5–3.5 dm. Aerial flowering stems erect, 0.5–1 dm, tomentose. Leaves: blade narrowly oblanceolate to oblanceolate or spatulate, (1–)1.5–3.5(–4) × 0.2–0.7(–0.9) cm, margins plane. Inflorescences subumbellate to cymose, usually divided 3 or more times, 5–10 cm; branches tomentose. Involucres 1 per node, turbinate, (2–)3–3.5(–5) × 2–2.5(–3) mm, tomentose. Flowers (1–)1.5–2.5(–3) mm; perianth yellow, sparsely pubescent.
Phenology: Flowering Jul–Sep.
Habitat: Clayey flats and slopes, mixed grassland and sagebrush communities, juniper woodlands
Elevation: 1100-1800 m
Discussion
Variety canum is rare throughout its widely scattered range in Carbon, Park, and Yellowstone counties, Montana, and in Big Horn and Sheridan counties, Wyoming.
Selected References
None.
Lower Taxa
None.