familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum leptocladon
Eriogonum leptocladon var. ramosissimum
Proc. Utah Acad. Sci. 42: 289. 1966.
Common names: San Juan wild buckwheat
Endemic
Basionym: Eriogonum ramosissimum Eastwood Proc. Calif. Acad. Sci., ser. 2, 6: 322. 1896
Synonyms: Eriogonum effusum subsp. pallidum (Small) S. Stokes
Plants 2–8 × 5–15 dm. Aerial flowering stems white-tomentose to floccose. Leaves: blade linear-lanceolate to narrowly oblong, 1.5–3.5 × (0.2–)0.3–1 cm, margins plane or infrequently revolute. Inflorescence branches tomentose, rarely floccose. Perianths white.
Phenology: Flowering Jun–Oct.
Habitat: White or infrequently red blow sand on flats, washes and slopes, mixed grassland, saltbush, ephedra, and sagebrush communities, pinyon-juniper woodlands
Elevation: 1200-2100 m
Distribution
Ariz., Colo., N.Mex., Utah.
Discussion
Variety ramosissimum is the more common of the expressions in the species. It occurs in Emery, Garfield, San Juan, and Wayne counties in Utah, and in Montezuma County, Colorado. It is common in Apache, western Coconino, and Navajo counties, Arizona, and in San Juan County, New Mexico.
Selected References
None.
Lower Taxa
None.
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