Eriogonum fasciculatum var. fasciculatum

Common names: Coastal California buckwheat
Illustrated
Synonyms: Eriogonum fasciculatum subsp. aspalathoides (Gandoger) S. Stokes
Treatment appears in FNA Volume 5. Treatment on page 299. Mentioned on page 298, 300.
Revision as of 09:36, 30 July 2020 by imported>Volume Importer
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Shrubs or subshrubs, spreading and often decumbent, 1–5 × 5–30 dm, mostly glabrous. grayish. 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. 2n = 40.


Phenology: Flowering year-round.
Habitat: Sandy mesa tops and slopes in coast scrub and chaparral communities
Elevation: 0-300 m

Distribution

V5 590-distribution-map.gif

Calif., Mexico (Baja California)

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.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

light-brown;brown +
included +  and exserted +
3-gonous +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
acute;obtuse or rounded +
James L. Reveal +
Bentham +
deciduous +  and persistent +
stipelike +
Undefined subg. Eucycla +
papillate +
awn-tipped +  and simple +
1.5 cm15 mm <br />0.015 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
green +  and grayish +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
glabrous +, subglabrous +, canescent +  and subglabrous abaxially +
linear;linear-oblanceolate or oblanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
not awn-tipped +
leaflike +  and semileaflike +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glandular +, pubescent +  and glabrous +
linear +  and oblanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
not brittle +
spreading +  and erect +
scabrellous +
ridged +, angled +  and round +
whorled +, opposite +  and alternate +
Coastal California buckwheat +
Calif. +  and Mexico (Baja California) +
0-300 m +
pubescent +  and subglabrous +
unisexual +, , +  and bisexual +
not attenuate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
reddish +  and grayish +
decumbent to erect +  and prostrate +
not fistulose +
unwinged +  and winged +
black +, red +, brown +  and yellowish +
exserted +  and included +
pubescent +  and glabrous +
spheroidal +, 4-gonous +, lenticular +, biconvex +, discoid +, 3-gonous +  and 2-gonous +
Sandy mesa tops and slopes in coast scrub and chaparral communities +
reduced +
dense +  and diffuse +
0.2 cm2 mm <br />0.002 m <br /> (20 cm200 mm <br />0.2 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (15 cm150 mm <br />0.15 m <br />) +
connate +  and free +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
nearly +  and glabrous +
nonmembranous +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glabrous +  and white-tomentose +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
in whorls +, opposite +, alternate +  and rosulate +
persistent +
bractlike +
pubescent +  and glabrous +
lobed +, undulate +, crisped +, crenulate +  and entire +
not swollen +
orthotropous +
accrescent +
curved +  and straight +
erect to deflexed +
white;pinkish +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering year-round. +
homostylous +  and 3-carpellate +
Trans. Linn. Soc. London +
, +  and solid +
slender;stout +
persistent +
Illustrated +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
decumbent to erect +  and prostrate +
spreading +  and erect +
glandular +, pubescent +  and glabrous +
penicillate +, fimbriate +  and capitate +
deciduous +  and persistent +
2-lobed +  and cylindric +
coriaceous +  and membranous +
consisting of a series +  and tubular +
distinct +
erect;spreading or recurved +
spreading;erect +
Eriogonum fasciculatum subsp. aspalathoides +
chambered +  and solid +
slender +  and stout +
Eriogonum fasciculatum var. fasciculatum +
Eriogonum fasciculatum +
variety +
emarginate +  and entire +
0 +  and 1/2 +
usually elliptic +  and obovate +
coriaceous +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
persistent +
membranous +
pubescent +  and glabrous +
subshrub +  and shrub +
spreading;spreading +
synoecious +, monocarpic +, polycarpic +  and , +
3 +, 2 +  and 1 +