Flora of North America species comparison

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Eriogonum fasciculatum var. flavoviride
Photo is of parent taxon

California buckwheat, eastern Mojave buckwheat, Sonoran desert California buckwheat
Habit Shrubs or subshrubs, rounded and somewhat compact, 2–5 × 3–6(–10) dm, thinly floccose or glabrous, yellowish green.
Aerial flowering stems

usually glabrous.
Leaf

blades linear or linear-oblanceolate, 0.6–1 × 0.05–0.2 cm, thinly tomentose to subglabrous and light green abaxially, subglabrous or glabrous and green adaxially, margins tightly revolute.
Inflorescences

mostly capitate;

branches glabrous.
Involucres

turbinate-campanulate, 2–3 × 2–3 mm, glabrous or subglabrous.
Perianths

glabrous or infrequently thinly pubescent.
2n

= 40.

Eriogonum fasciculatum var. flavoviride
Phenology Flowering year-round.
Habitat Sandy to gravelly flats and slopes, saltbush and creosote bush communities, pinyon-juniper woodlands
Elevation 50-1300 m (200-4300 ft)
Distribution
from FNA
CA; Mexico (Baja California, Sonora)
[BONAP county map]
Discussion

Variety flavoviride is a widespread, infrequent to common, warm-desert shrub found on the Mojave and Sonoran deserts in southern San Bernardino, Riverside and San Diego counties. The yellowish-green hue of the flowering stems, inflorescence branches, and leaves readily distinguish it from var. polifolium, with which it occasionally occurs (especially in Mexico), although this feature is not always obvious on herbarium specimens. Variety flavoviride is much more attractive in the garden than its more frequently planted Mojave Desert counterpart. Reports (e.g., R. S. Felger 2000) of var. fasciculatum along the coast in extreme northwestern Sonora are based on specimens of var. flavoviride.

(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. fasciculatum, E. fasciculatum var. foliolosum, E. fasciculatum var. polifolium
Synonyms E. fasciculatum subsp. flavoviride
Name authority Munz & I. M. Johnston: Bull. Torrey Bot. Club 49: 350. (1923)
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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