familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Ganysma
speciesEriogonum tenellum
Eriogonum tenellum var. tenellum
Common names: Tall wild buckwheat
Treatment appears in FNA Volume 5. Treatment on page 400.
Plants 1–5 dm. Caudex stems compact. Leaves basal; blade usually elliptic, 0.3–1.5 × 0.3–1 cm. 2n = 40.
Phenology: Flowering May–Nov.
Habitat: Sandy to gravelly flats and slopes, mixed grassland, saltbush, creosote bush, mesquite, and sagebrush communities, oak and conifer woodlands
Elevation: 900-2200 m
Distribution
Colo., N.Mex., Okla., Tex., Mexico (Chihuahua), Mexico (Coahuila)
Discussion
Variety tenellum is common and widespread throughout its northern range in southeastern Colorado, New Mexico, western Oklahoma, and northern and western Texas. Outlying populations, extending northward from Mexico, enter the flora area in Dona Ana County, New Mexico, and Webb County, Texas.
Selected References
None.
Lower Taxa
None.
"dm" is not declared as a valid unit of measurement for this property.
... more about "Eriogonum tenellum var. tenellum"
not winged +
light-brown;brown +
glabrous +
homocarpic +
3-gonous +
2mm;3mm +
various +
dehiscing +
absent +
not fasciculate +
sheathing +
marcescent +
longer +
anthesis +
distal +
stipelike +
entire +
elliptic +
grayish +
white-tomentose +
elliptic;deltoid or ovate +
not awn-tipped +
semileaflike +
connate +
absent +
scale-like +
connate +
not brittle +
free +
aerial +
glabrous +
scabrellous +
spreading +
absent +
absent +
woody +
fasciculate +
Tall wild buckwheat +
curved +
nuclear +
abundant +
adnate +
pilose +
6;100 +
not attenuate +
aerial +
not fistulose +
slender;stout +
homocarpic +
Sandy to gravelly flats and slopes, mixed grassland, saltbush, creosote bush, mesquite, and sagebrush communities, oak and conifer woodlands +
Present +
bractlike +
diffuse +
axillary +
trichotomous +
enclosed +
not appressed +
nonmembranous +
persistent +
sheathing +
marcescent +
persistent +
basal +
bractlike +
awn-tipped +
plane +
not swollen +
orthotropous +
basal +
articulate +
absent +
accrescent +
cluster +
straight +
spreading;erect +
absent +
glabrous +
erect to deflexed +
filiform;capillary +
slender +
winged +
orangebrown;red +
persistent +
glabrous +
pustulose +
accrescent +
various +
absent +
obscure +
tomentose +
Ann. Lyceum Nat. Hist. New York +
1827 +
fibrous +
persistent +
anthesis +
ringlike +
longitudinal +
Illustrated +
recurved +
included +
absent +
scapose +
viscid +
scandent +
absent +
peltate +
capitate +
foliaceous +
absent +
chartaceous +
arranged +
involucral +
absent +
distinct +
erect;spreading or recurved +
spreading;erect +
woody +
Eriogonum tenellum var. tenellum +
Eriogonum tenellum +
variety +
absent +
monomorphic +
connate +
dimorphic +
coriaceous +
single +
lobelike +
not awned +
persistent +
membranous +
glandular-punctate +
developing +
raised +
polycarpic +
homophyllous +
viscid +
grayish +
perennial +
erect;spreading +
dimorphic +