familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Eucycla
speciesEriogonum thompsoniae
Eriogonum thompsoniae var. thompsoniae
Common names: Thompson’s wild buckwheat
Treatment appears in FNA Volume 5. Treatment on page 261.
Revision as of 09:31, 30 July 2020 by imported>Volume Importer
Plants 2–4 dm. Leaf-blades oblong to oblanceolate or elliptic, (2–) 3–5 × 0.8–2.5 (–3) cm, tomentose abaxially, margins plane. Involucres (2.5–) 3–3.5 mm. Perianths yellow.
Phenology: Flowering Jul–Nov.
Habitat: Sandy to clayey flats and slopes, saltbush, blackbrush, and sagebrush communities, pinyon-juniper woodlands
Elevation: 1000-1700 m
Discussion
Variety thompsoniae is found infrequently in Kane and Washington counties, Utah, and in Mohave County, Arizona.
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 thompsoniae var. thompsoniae"
not winged +
light-brown;brown +
glabrous +
homocarpic +
3-gonous +
2.5mm;3mm +
various +
dehiscing +
acute;obtuse or rounded +
absent +
marcescent +
longer +
anthesis +
distal +
stipelike +
papillate +
entire +
green +
oblong;oblanceolate or elliptic +
not awn-tipped +
connate +
absent +
scale-like +
connate +
dichotomous +
diffuse +
not brittle +
free +
aerial +
glabrous +
scabrellous +
deciduous +
exposed +
spreading +
absent +
glabrous +
woody +
woody +
fasciculate +
Thompson’s wild buckwheat +
curved +
nuclear +
abundant +
adnate +
pilose +
6;100 +
not attenuate +
fasciculate +
aerial +
not fistulose +
slender +
homocarpic +
minute +
Sandy to clayey flats and slopes, saltbush, blackbrush, and sagebrush communities, pinyon-juniper woodlands +
scattered +
few +
bractlike +
racemose +
spreading +
axillary +
reduced +
trichotomous +
enclosed +
glabrous +
turbinate +
nonmembranous +
persistent +
tomentose +
0.8cm;2.5cm +
sheathing +
persistent +
basal +
bractlike +
awn-tipped +
plane +
not swollen +
orthotropous +
basal +
articulate +
absent +
accrescent +
cluster +
erect +
absent +
erect to deflexed +
winged +
yellow +
persistent +
glabrous +
pustulose +
accrescent +
various +
absent +
obscure +
Amer. Naturalist +
1873 +
fibrous +
persistent +
anthesis +
ringlike +
longitudinal +
Endemic +
recurved +
exserted +
absent +
scapose +
matted +
spreading +
absent +
peltate +
capitate +
foliaceous +
absent +
chartaceous +
arranged +
involucral +
absent +
distinct +
erect;spreading or recurved +
spreading;erect +
woody +
Eriogonum thompsoniae var. thompsoniae +
Eriogonum thompsoniae +
variety +
absent +
monomorphic +
connate +
dimorphic +
coriaceous +
single +
single +
lobelike +
not awned +
erect +
persistent +
membranous +
glandular-punctate +
developing +
raised +
not scapose +
perennial +
spreading +
glabrous +
2dm;5dm +