Flora of North America species comparison

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Eriogonum fasciculatum var. fasciculatum
Photo is of parent taxon

California buckwheat, coastal California buckwheat, eastern Mojave buckwheat
Habit Shrubs or subshrubs, spreading and often decumbent, 1–5 × 5–30 dm, mostly glabrous.
Aerial flowering stems

glabrous, usually grayish or reddish.
Leaf

blades blade linear to linear-oblanceolate, 0.6–1(–1.2) × 0.05–0.2(–0.4) cm, thinly white-tomentose abaxially, glabrous and green adaxially, margins tightly revolute.
Inflorescences

usually capitate, occasionally cymose;

branches mostly glabrous.
Involucres

narrowly turbinate, 3–4 × 1.5–2 mm, glabrous or nearly so.
Perianths

glabrous or with only a few hairs proximally.
Grayish

.
2n

= 40.

Eriogonum fasciculatum var. fasciculatum
Phenology Flowering year-round.
Habitat Sandy mesa tops and slopes in coast scrub and chaparral communities
Elevation 0-300 m (0-1000 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
Discussion

Variety fasciculatum is the tetraploid coastal expression of the species, consisting mainly of low, spreading plants of the coastal bluffs and mesas near the ocean and on the offshore islands. It occurs along the immediate coast from San Luis Obispo County southward, but is found inland in Los Angeles, Orange, and San Diego counties, where plants typically are larger and more shrub-like. The tetraploid var. fasciculatum and the octoploid var. foliolosum are not always distinct morphologically. Variety fasciculatum hybridizes with E. molle Greene on Cedros Island in Mexico. The decumbent coastal expressions are occasionally cultivated as cover plants in rock gardens.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 5, p. 299.
Parent taxa Polygonaceae > subfam. Eriogonoideae > Eriogonum > subg. Eucycla > Eriogonum fasciculatum
Sibling taxa
E. fasciculatum var. flavoviride, E. fasciculatum var. foliolosum, E. fasciculatum var. polifolium
Synonyms E. fasciculatum subsp. aspalathoides
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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