familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum nudum
Difference between revisions of "Eriogonum nudum var. regirivum"
Phytologia 66: 247. 1989.
Common names: Kings River wild buckwheat
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Revision as of 20:09, 24 September 2019
Plants 5–10 dm. Aerial flowering stems not fistulose, 1–3(–4) dm, lanate to tomentose. Leaves usually basal, rarely sheathing; blade 2–3.5 × 1.5–2.5 cm, lanate abaxially, tomentose adaxially, margins plane. Inflorescences cymose, 30–100(–140) × 20–40 cm; branches lanate to tomentose. Involucres 1 per node, 3–4 mm, tomentose. Flowers 1.5–2 mm; perianth white, pubescent. 2n = 40.
Phenology: Flowering Aug–Nov.
Habitat: Limestone slopes, oak and pine woodlands
Elevation: 200-600 m
Discussion
Variety regirivum is a rare and localized taxon presently known only from the Pine Flat Reservoir area and near Dunlap in Fresno County. Most of the historic range of the taxon is now under Pine Flat Reservoir.
Selected References
None.
Lower Taxa
None.