familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum brevicaule
Difference between revisions of "Eriogonum brevicaule var. nanum"
Great Basin Naturalist 44: 531. 1984.
Common names: Dwarf wild buckwheat
Endemic
Basionym: Eriogonum nanum Reveal Phytologia. 25: 194. 1973
Synonyms: Eriogonum grayi Reveal
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|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Latest revision as of 22:11, 5 November 2020
Plants pulvinate and cespitose, 0.3–1.5(–1.8) × 1–2.5 dm. Aerial flowering stems erect or nearly so, usually scapelike, (0.2–)0.4–1.5 dm, glabrous. Leaves: blade narrowly oblanceolate to narrowly elliptic, 0.3–2 × 0.2–0.5(–0.7) cm, densely white-tomentose abaxially, floccose and greenish adaxially, margins crenulate. Inflorescences capitate or open and umbellate, 1–5 cm; branches absent or typically glabrous. Involucres 3–7(–9) per cluster, turbinate, 1.5–3 × 1–2.5 mm, glabrous or thinly floccose. Flowers 2–3 mm; perianth greenish- to creamy- or pale yellowish-white, rarely pale yellow or yellow, glabrous.
Phenology: Flowering Jul–Sep.
Habitat: Gravelly to rocky, mostly limestone slopes and ridge tops, high-elevation sagebrush communities, subalpine conifer woodlands
Elevation: 2400-2600 m
Discussion
Variety nanum is restricted to the Wasatch Mountains in Box Elder and Weber counties.
Selected References
None.
Lower Taxa
None.
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