familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Oligogonum
speciesEriogonum douglasii
Eriogonum douglasii var. douglasii
Common names: Douglas’s wild buckwheat
Endemic
Revision as of 09:44, 30 July 2020 by imported>Volume Importer
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.
"/2" 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 douglasii var. douglasii"
not winged +
light-brown +
glabrous +
homocarpic +
3-gonous +
3mm;4.5mm +
various +
dehiscing +
absent +
marcescent +
longer +
anthesis +
whorled +
distal +
stipelike +
pubescent +
entire +
greenish +
elliptic;spatulate +
not awn-tipped +
leaflike +
connate +
absent +
4;8 +
scale-like +
connate +
not brittle +
free +
aerial +
absent +
scabrellous +
round +
spreading +
absent +
woody +
woody +
fasciculate +
Douglas’s wild buckwheat +
nuclear +
abundant +
adnate +
pilose +
6;100 +
attenuate +
aerial +
not fistulose +
slender +
homocarpic +
Sandy to gravelly or rocky flats and slopes, mixed grassland and sagebrush communities, oak and montane conifer woodlands +
bractlike +
capitate +
racemose +
not appressed +
spreading +
axillary +
reduced +
trichotomous +
enclosed +
nonmembranous +
persistent +
tomentose +
sheathing +
persistent +
bractlike +
awn-tipped +
plane +
2;3 +
not swollen +
orthotropous +
basal +
articulate +
absent +
accrescent +
cluster +
reflexed +
absent +
erect to deflexed +
winged +
yellow;ochroleucous +
persistent +
villous +
pustulose +
accrescent +
various +
absent +
obscure +
tomentose +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
1856 +
fibrous +
persistent +
anthesis +
ringlike +
longitudinal +
Endemic +
recurved +
exserted +
absent +
scapose +
scandent +
absent +
peltate +
capitate +
foliaceous +
absent +
chartaceous +
arranged +
involucral +
absent +
distinct +
erect;spreading or recurved +
spreading;erect +
woody +
Eriogonum douglasii var. douglasii +
Eriogonum douglasii +
variety +
absent +
monomorphic +
connate +
dimorphic +
obovate +
coriaceous +
single +
longer +
lobelike +
not awned +
reflexed +
persistent +
membranous +
glandular-punctate +
developing +
raised +
perennial +
homophyllous +
polygamodioecious +
0.5dm;6dm +
midlength +