familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Oregonium
speciesEriogonum luteolum
Eriogonum luteolum var. saltuarium
Phytologia 66: 264. 1989.
Common names: Jack’s wild buckwheat
Endemic
Plants erect, 2–4 dm, glabrous. Aerial flowering-stems erect, 0.2–2 dm. Leaves basalor basal and cauline; blade reniform. Inflorescences 2–35 cm. Involucres sessile and appressed to branches, cylindric, 2–3 mm. Flowers 2–2.5 mm; perianth white to rose. Achenes 1.8–2 mm.
Phenology: Flowering Jul–Sep.
Habitat: Sandy granitic flats and slopes, sagebrush communities, montane conifer woodlands
Elevation: 1700-2400 m
Discussion
Variety saltuarium is known from only two locations, one near Dardanelle in Tuolumne County and another on Luther Pass in Alpine County. At present, this rare taxon has received no conservation consideration. Only a few hundred individuals have been observed in the field.
Selected References
None.
Lower Taxa
None.
"narrowing" is not a number."dm" is not declared as a valid unit of measurement for this property.
... more about "Eriogonum luteolum var. saltuarium"
not winged +
light-brown +
glabrous +
homocarpic +
3-gonous +
1.8mm;2mm +
various +
dehiscing +
absent +
marcescent +
longer +
anthesis +
distal +
not glandular +
entire +
reniform +
not awn-tipped +
leaflike +
connate +
absent +
scale-like +
connate +
not brittle +
free +
aerial +
scabrellous +
absent +
absent +
woody +
fasciculate +
Jack’s wild buckwheat +
Calif. +
curved +
nuclear +
abundant +
adnate +
glabrous +
6;100 +
aerial +
not fistulose +
slender;stout +
homocarpic +
bractlike +
racemose +
diffuse +
axillary +
trichotomous +
enclosed +
sessile +
appressed +
cylindric +
nonmembranous +
persistent +
sheathing +
marcescent +
persistent +
bractlike +
awn-tipped +
not fasciculate +
not swollen +
orthotropous +
basal +
articulate +
absent +
accrescent +
cluster +
straight +
erect +
absent +
glabrous +
erect to deflexed +
slender +
winged +
white;rose +
persistent +
glabrous +
papillose +
accrescent +
absent +
obscure +
floccose +
Phytologia +
1989 +
fibrous +
persistent +
anthesis +
ringlike +
longitudinal +
Endemic +
recurved +
included +
absent +
scapose +
scandent +
absent +
peltate +
capitate +
foliaceous +
absent +
chartaceous +
arranged +
involucral +
absent +
distinct +
erect;spreading or recurved +
spreading;erect +
not woody +
Eriogonum luteolum var. saltuarium +
Eriogonum luteolum +
variety +
absent +
monomorphic +
connate +
dimorphic +
obovate +
coriaceous +
single +
lobelike +
not awned +
erect +
involucral +
persistent +
membranous +
glandular-punctate +
developing +
raised +
annual +
homophyllous +
glabrous +