Eriogonum pyrolifolium var. coryphaeum

Torrey & A. Gray

Proc. Amer. Acad. Arts 8: 162. 1870.

Common names: Hairy Shasta wild buckwheat
Endemic
Synonyms: Eriogonum pyrolifolium var. bellingeranum M. Peck
Treatment appears in FNA Volume 5. Treatment on page 374.

Aerial flowering-stems prostrate to weakly erect, 0.4–1.5 (–1.8) dm. Leaf-blades densely lanate to tomentose abaxially, mostly glabrous and green adaxially. Perianths usually copiously pilose to villous abaxially with glandular-hairs obscure. 2n = 40.


Phenology: Flowering Jun–Sep.
Habitat: Sandy to gravelly, usually nonvolcanic flats, slopes, and ridges, mixed grassland, sagebrush, and mountain meadow communities, oak, montane, and subalpine conifer woodlands
Elevation: 1600-3100 m

Distribution

V5 772-distribution-map.gif

B.C., Calif., Idaho, Mont., Oreg., Wash.

Discussion

Variety coryphaeum is by far the more common of the two varieties, being found in the mountains from southern British Columbia south through Washington and Oregon into northwestern California, eastward into central Idaho and central-western Montana.

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.

light-brown;brown +
included +  and exserted +
3-gonous +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
James L. Reveal +
Torrey & A. Gray +
deciduous +  and persistent +
stipelike +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
awn-tipped +  and simple +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
green +  and grayish +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
glabrous +, tomentose +  and tannish-lanate +
ovate;round +
0.8cm;2cm +
not awn-tipped +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
glandular +, pubescent +  and glabrous +
scale-like +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
grooved +, disarticulating +  and dichotomous +
not brittle +
glabrous +  and floccose +
scabrellous +
spreading +  and erect +
whorled +, opposite +  and alternate +
Hairy Shasta wild buckwheat +
B.C. +, Calif. +, Idaho +, Mont. +, Oreg. +  and Wash. +
1600-3100 m +
curved +  and straight +
unisexual +  and bisexual +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 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 +
Sandy to gravelly, usually nonvolcanic flats, slopes, and ridges, mixed grassland, sagebrush, and mountain meadow communities, oak, montane, and subalpine conifer woodlands +
umbellate +  and capitate +
subcapitate +  and capitate +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
cymelike +, paniclelike +, racemelike +  and spikelike +
connate +  and free +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
glabrous +  and pilose +
campanulate +
nonmembranous +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
glabrous +, densely lanate +  and tomentose abaxially +
in whorls +, opposite +, alternate +  and rosulate +
persistent +
bractlike +
pubescent +  and glabrous +
not swollen +
orthotropous +
accrescent +
curved +  and straight +
erect to deflexed +
usually copiously pilose +  and villous +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
tomentose +  and floccose +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering Jun–Sep. +
homostylous +  and 3-carpellate +
Proc. Amer. Acad. Arts +
, +  and solid +
slender;stout +
persistent +
decumbent to erect +  and prostrate +
prostrate +  and erect +
penicillate +, fimbriate +  and capitate +
deciduous +  and persistent +
? (?) +  and ? (?) +
coriaceous +  and membranous +
consisting of a series +  and tubular +
distinct +
erect;spreading or recurved +
Eriogonum pyrolifolium var. bellingeranum +
chambered +  and solid +
Slender (?) +  and Stout (?) +
Eriogonum pyrolifolium var. coryphaeum +
Eriogonum pyrolifolium +
variety +
emarginate +  and entire +
1/4 +  and 1/3 +
obovate +
coriaceous +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
persistent +
membranous +
pubescent +  and glabrous +
glabrous +  and floccose +
dioecious +, polygamodioecious +, synoecious +  and polycarpic +
annual +, biennial +  and perennial +
synoecious +, monocarpic +, polycarpic +  and , +
3 +, 2 +  and 1 +