familyPolygonaceae
subfamilyPolygonaceae subfam. Eriogonoideae
genusEriogonum
subgenusEriogonum subg. Oligogonum
speciesEriogonum arcuatum
Eriogonum arcuatum var. rupicola
Harvard Pap. Bot. 9: 157. 2004.
Common names: Slickrock wild buckwheat
Endemic
Basionym: Eriogonum jamesii var. rupicola Reveal Phytologia. 25: 202. 1973
Revision as of 09:45, 30 July 2020 by imported>Volume Importer
Plants spreading, compact mats, 2–6 (–8) dm wide. Aerial flowering-stems 0.3–1 dm. Leaf-blades elliptic, 0.5–1.2 × 0.5–0.8 cm. Inflorescences capitate, rarely umbellate; bracts 0.3–1 × 0.3–0.5 cm. Involucres 3–5 × 3–4 mm. Flowers 4–5 (–6) mm.
Phenology: Flowering Jun–Oct.
Habitat: Sandstone outcrops, ledges, and cliffs, blackbrush and sagebrush communities, oak and pinyon-juniper woodlands
Elevation: 1600-1900 m
Discussion
Variety rupicola is restricted to Zion National Park in Kane and Washington counties. It is marginally distinct from var. arcuatum.
Selected References
None.
Lower Taxa
None.
"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."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 arcuatum var. rupicola"
not winged +
light-brown;brown +
glabrous +
homocarpic +
3-gonous +
4mm;5mm +
various +
dehiscing +
absent +
marcescent +
longer +
anthesis +
whorled +
distal +
stipelike +
pubescent +
entire +
oblong;elliptic +
not awn-tipped +
semileaflike +
connate +
absent +
3;8 +
scale-like +
connate +
not brittle +
free +
aerial +
absent +
floccose +
scabrellous +
round +
spreading +
absent +
absent +
woody +
woody +
fasciculate +
Slickrock wild buckwheat +
Utah. +
nuclear +
abundant +
adnate +
pilose +
6;100 +
attenuate +
aerial +
not fistulose +
slender +
homocarpic +
Sandstone outcrops, ledges, and cliffs, blackbrush and sagebrush communities, oak and pinyon-juniper woodlands +
bractlike +
umbellate +
capitate +
racemose +
not appressed +
spreading +
axillary +
reduced +
trichotomous +
enclosed +
floccose +
campanulate +
nonmembranous +
persistent +
elliptic +
0.5cm;0.8cm +
sheathing +
persistent +
basal +
bractlike +
awn-tipped +
plane +
compact +
2;3 +
not swollen +
orthotropous +
basal +
articulate +
absent +
accrescent +
cluster +
reflexed +
absent +
erect to deflexed +
winged +
yellow +
persistent +
pubescent +
pustulose +
accrescent +
various +
absent +
obscure +
Harvard Pap. Bot. +
2004 +
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 arcuatum var. rupicola +
Eriogonum arcuatum +
variety +
absent +
monomorphic +
connate +
dimorphic +
coriaceous +
single +
longer +
lobelike +
not awned +
erect +
persistent +
membranous +
glandular-punctate +
developing +
raised +
perennial +
homophyllous +
spreading +
floccose +
2dm;10dm +
dimorphic +