Eriogonum douglasii var. douglasii

Common names: Douglas’s wild buckwheat
Endemic
Treatment appears in FNA Volume 5. Treatment on page 364. Mentioned on page 362, 363.
Revision as of 09:44, 30 July 2020 by imported>Volume Importer
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Leaf-blades narrowly oblanceolate to spatulate, tomentose abaxially, less so adaxially. Flowers 5–9 mm; perianth yellow to ochroleucous, sparsely to densely villous abaxially.


Phenology: Flowering May–Jul.
Habitat: Sandy to gravelly or rocky flats and slopes, mixed grassland and sagebrush communities, oak and montane conifer woodlands
Elevation: 100-1700(-1900) m

Distribution

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Oreg., Wash.

Discussion

Variety douglasii is widespread in scattered, disjunct populations in southeastern Washington (Columbia, Douglas, Ferry, Kittitas, Klickitat, and Yakima counties) and northeastern Oregon (Baker, Gilliam, Grant, Jefferson, Malheur, Sherman, Union, Wallowa, and Wasco counties).

Selected References

None.

Lower Taxa

None.

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light-brown +
included +  and exserted +
3-gonous +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
James L. Reveal +
Bentham in A. P. de Candolle and A. L. P. P. de Candolle +
deciduous +  and persistent +
stipelike +
0.07 cm0.7 mm <br />7.0e-4 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
awn-tipped +  and simple +
1.5 cm15 mm <br />0.015 m <br /> - 1.9 cm19 mm <br />0.019 m <br /> +
0.4 cm4 mm <br />0.004 m <br /> - 1.5 cm15 mm <br />0.015 m <br /> +
tomentose +  and lanate +
elliptic;spatulate +
0.1 cm1 mm <br />0.001 m <br /> - 0.5 cm5 mm <br />0.005 m <br /> +
not awn-tipped +
glandular +, pubescent +  and glabrous +
scale-like +
grooved +, disarticulating +  and dichotomous +
not brittle +
tomentose +  and floccose or glabrous +
scabrellous +
spreading +  and erect +
whorled +, opposite +  and alternate +
Douglas’s wild buckwheat +
Oreg. +  and Wash. +
100-1700 - -1900 m +
curved +  and straight +
unisexual +  and bisexual +
attenuate +
0.5 cm5 mm <br />0.005 m <br /> - 0.9 cm9 mm <br />0.009 m <br /> +
decumbent to erect +  and prostrate +
0.3 cm3 mm <br />0.003 m <br /> - 1.5 cm15 mm <br />0.015 m <br /> +
not fistulose +
0.1 cm1 mm <br />0.001 m <br /> - 0.3 cm3 mm <br />0.003 m <br /> +
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 or rocky flats and slopes, mixed grassland and sagebrush communities, oak and montane conifer woodlands +
open +, simple +  and compound-umbellate +
cymelike +, paniclelike +, racemelike +  and spikelike +
0.8 cm8 mm <br />0.008 m <br /> - 1.5 cm15 mm <br />0.015 m <br /> +
connate +  and free +
0.25 cm2.5 mm <br />0.0025 m <br /> - 0.35 cm3.5 mm <br />0.0035 m <br /> +
turbinate +  and turbinate-campanulate +
nonmembranous +
0.2 cm2 mm <br />0.002 m <br /> - 0.25 cm2.5 mm <br />0.0025 m <br /> +
narrowly oblanceolate +  and spatulate +
in whorls +, opposite +, alternate +  and rosulate +
persistent +
cauline +  and basal +
bractlike +
pubescent +  and glabrous +
not swollen +
orthotropous +
accrescent +
curved +  and straight +
erect to deflexed +
yellow;ochroleucous +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
0.5 cm5 mm <br />0.005 m <br /> - 1 cm10 mm <br />0.01 m <br /> +
0.05 cm0.5 mm <br />5.0e-4 m <br /> - 0.5 cm5 mm <br />0.005 m <br /> +
Flowering May–Jul. +
homostylous +  and 3-carpellate +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
, +  and solid +
slender;stout +
persistent +
0.4 cm4 mm <br />0.004 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
decumbent to erect +  and prostrate +
prostrate +  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 caespitosum subsp. douglasii +
chambered +  and solid +
slender +  and stout +
Eriogonum douglasii var. douglasii +
Eriogonum douglasii +
variety +
emarginate +  and entire +
1/4 +  and 1/3 +
obovate +
coriaceous +
0.4 cm4 mm <br />0.004 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
0.15 cm1.5 mm <br />0.0015 m <br /> - 0.4 cm4 mm <br />0.004 m <br /> +
persistent +
membranous +
pubescent +  and glabrous +
sericeous +, lanate +  and tomentose floccose or glabrous +
dioecious +, polygamodioecious +, synoecious +  and polycarpic +
annual +, biennial +  and perennial +
herb +  and matted +
thinly tomentose +  and glabrate +
midlength +
3 +, 2 +  and 1 +