Eriogonum spergulinum var. pratense

(S. Stokes) J. T. Howell

Leafl. W. Bot. 6: 80. 1950.

Common names: Mountain meadow wild buckwheat
Endemic
Basionym: Eriogonum pratense S. Stokes Leafl. W. Bot. 3: 201. 1943
Treatment appears in FNA Volume 5. Treatment on page 409.
Revision as of 09:49, 30 July 2020 by imported>Volume Importer
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Plants prostrate to ascending, 0.5–1 dm. Inflorescence branches: internodes not glandular. Flowers 1.8–2 mm; perianth hirsutulous.


Phenology: Flowering Jul–Aug.
Habitat: Sandy granitic slopes, high-elevation meadow and sagebrush communities, subalpine to alpine conifer woodlands
Elevation: (2500-)2800-3500 m

Distribution

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Calif.

Discussion

Variety pratense is restricted to the southern Sierra Nevada in Inyo and Tulare counties.

Selected References

None.

Lower Taxa

None.

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

brown;blackish +
included +  and exserted +
lenticular +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
James L. Reveal +
- S. Stokes J. T. Howell +
deciduous +  and persistent +
stipelike +
Eriogonum pratense +
awn-tipped +  and simple +
3 cm30 mm <br />0.03 m <br /> - 4 cm40 mm <br />0.04 m <br /> +
0.3 cm3 mm <br />0.003 m <br /> - 2.5 cm25 mm <br />0.025 m <br /> +
short-hispid +
linear;orbiculate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> - 0.3 cm3 mm <br />0.003 m <br /> +
not awn-tipped +
0.2 cm2 mm <br />0.002 m <br /> - 1 cm10 mm <br />0.01 m <br /> +
glandular +, pubescent +  and glabrous +
scale-like +
0.05 cm0.5 mm <br />5.0e-4 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
grooved +, disarticulating +  and dichotomous +
not brittle +
sparsely hispid +  and puberulent +
scabrellous +
ridged +, angled +  and round +
spreading +  and erect +
whorled +, opposite +  and alternate +
Mountain meadow wild buckwheat +
- 2500-2800-3500 m +
unisexual +, , +  and bisexual +
not attenuate +
0.18 cm1.8 mm <br />0.0018 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
decumbent to erect +  and prostrate +
not fistulose +
slender;stout +
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 granitic slopes, high-elevation meadow and sagebrush communities, subalpine to alpine conifer woodlands +
open +  and cymose +
capitate +  and subcapitate +
racemose +, paniculate +  and cymose-paniculate +
4 cm40 mm <br />0.04 m <br /> - 25 cm250 mm <br />0.25 m <br /> +
cymelike +, paniclelike +, racemelike +  and spikelike +
5 cm50 mm <br />0.05 m <br /> - 35 cm350 mm <br />0.35 m <br /> +
connate +  and free +
0.05 cm0.5 mm <br />5.0e-4 m <br /> - 0.1 cm1 mm <br />0.001 m <br /> +
nonmembranous +
0.04 cm0.4 mm <br />4.0e-4 m <br /> - 0.08 cm0.8 mm <br />8.0e-4 m <br /> +
in whorls +, opposite +, alternate +  and rosulate +
marcescent +
persistent +
cauline +  and basal +
bractlike +
pubescent +  and glabrous +
revolute +  and plane +
greenish +  and reddish +
not swollen +
orthotropous +
accrescent +
erect to deflexed +
0.4 cm4 mm <br />0.004 m <br /> - 1.5 cm15 mm <br />0.015 m <br /> +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> - 0.3 cm3 mm <br />0.003 m <br /> +
Flowering Jul–Aug. +
homostylous +  and 3-carpellate +
Leafl. W. Bot. +
, +  and solid +
slender;stout +
persistent +
0.05 cm0.5 mm <br />5.0e-4 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
decumbent to erect +  and prostrate +
spreading +  and erect +
glabrous +, short-hispid +, villous +, hirsute +, floccose +  and tomentose +
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 +
Oxytheca spergulina +
chambered +  and solid +
slender +  and stout +
Eriogonum spergulinum var. pratense +
Eriogonum spergulinum +
variety +
emarginate +  and entire +
1/5 +  and 1/2 +
coriaceous +
0.02 cm0.2 mm <br />2.0e-4 m <br /> - 0.04 cm0.4 mm <br />4.0e-4 m <br /> +
persistent +
membranous +
pubescent +  and glabrous +
annual +  and perennial +
reddish +, grayish +  and greenish +
prostrate;ascending +
short-hispid +, glandular +  and glabrous +
synoecious +, monocarpic +, polycarpic +  and , +
3 +, 2 +  and 1 +