Eriogonum mensicola

S. Stokes

Leafl. W. Bot. 3: 16. 1941.

Common names: Scale-bract wild buckwheat
Endemic
Synonyms: Eriogonum panamintense var. mensicola (S. Stokes) Reveal
Treatment appears in FNA Volume 5. Treatment on page 295. Mentioned on page 227, 235.

Herbs, erect, (1–) 1.5–3 × 1–2 dm, tomentose, grayish. Stems slightly spreading to erect, without persistent leaf-bases, up to 1/5 height of plant; caudex stems absent; aerial flowering-stems erect, slender, solid, not fistulose, 0.5–1 (–1.3) dm, tomentose. Leaves basal, 1 per node; petiole 1–2 cm, tomentose; blade round, (0.3–) 0.5–1.5 × (0.3–) 1–1.5 cm, tomentose abaxially, thinly floccose and green adaxially, or white-tomentose on both surfaces, margins plane. Inflorescences cymose with involucres racemosely disposed at tips, 10–15 (–20) × 0.6–3 (–5) cm; branches dichotomous, tomentose; bracts 3, scalelike, linear to narrowly triangular, and 1–3 mm, or leaflike, ovate to orbiculate, and 5–12 × 5–12 mm. Peduncles absent. Involucres 1 per node, campanulate, 2–3 (–4) × 2–4 mm, tomentose; teeth 5, erect, 0.4–0.8 mm. Flowers 3–4 mm, perianth white to whitish brown, glabrous; tepals connate proximal 1/4, monomorphic, oblanceolate; stamens exserted, 3–6 mm; filaments pilose proximally. Achenes light-brown, 2.5–3 mm, glabrous.


Phenology: Flowering Jul–Oct.
Habitat: Rocky to gravelly flats and slopes, sagebrush and mountain mahogany communities, pinyon-juniper and montane conifer woodlands
Elevation: 1800-2700 m

Discussion

Eriogonum mensicola is infrequent in the Inyo Mountains and the Panamint and Coso ranges of Inyo County, California, with a disjunct population on the Sheep Range in Clark County, Nevada.

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.

... more about "Eriogonum mensicola"
light-brown +
included +  and exserted +
3-gonous +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
acute;obtuse or rounded +
James L. Reveal +
S. Stokes +
deciduous +  and persistent +
stipelike +
Undefined subg. Eucycla +
papillate +
awn-tipped +  and simple +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
white-tomentose +, floccose +  and tomentose +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
not awn-tipped +
leaflike +  and semileaflike +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
glandular +, pubescent +  and glabrous +
ovate +  and orbiculate +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
not brittle +
spreading +  and erect +
scabrellous +
ridged +, angled +  and round +
spreading +  and erect +
whorled +, opposite +  and alternate +
Scale-bract wild buckwheat +
Calif. +  and Nev. +
1800-2700 m +
unisexual +, , +  and bisexual +
not attenuate +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
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 +
Rocky to gravelly flats and slopes, sagebrush and mountain mahogany communities, pinyon-juniper and montane conifer woodlands +
reduced +
capitate +  and subcapitate +
15 cm150 mm <br />0.15 m <br /> (20 cm200 mm <br />0.2 m <br />) +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
dense +  and diffuse +
10 cm100 mm <br />0.1 m <br /> (15 cm150 mm <br />0.15 m <br />) +
cymelike +, paniclelike +, racemelike +  and spikelike +
0.6 cm6 mm <br />0.006 m <br /> (3 cm30 mm <br />0.03 m <br />) +
connate +  and free +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
campanulate +
nonmembranous +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
in whorls +, opposite +, alternate +  and rosulate +
persistent +
bractlike +
pubescent +  and glabrous +
not swollen +
orthotropous +
accrescent +
curved +  and straight +
erect to deflexed +
white;whitish brown +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering Jul–Oct. +
homostylous +  and 3-carpellate +
Leafl. W. Bot. +
, +  and solid +
slender;stout +
persistent +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
decumbent to erect +  and prostrate +
slightly 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 panamintense var. mensicola +
chambered +  and solid +
slender +  and stout +
Eriogonum mensicola +
Eriogonum subg. Eucycla +
species +
emarginate +  and entire +
0 +  and 1/2 +
oblanceolate +
coriaceous +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
persistent +
membranous +
pubescent +  and glabrous +
synoecious +, monocarpic +, polycarpic +  and , +
3 +, 2 +  and 1 +