Eriogonum brevicaule var. canum

(S. Stokes) Dorn

Vasc. Pl. Wyoming, 299. 1988.

Common names: Parasol wild buckwheat
EndemicConservation concern
Basionym: Eriogonum multiceps subsp. canum S. Stokes Eriogonum, 94. 1936
Synonyms: Eriogonum lagopus Rydberg Eriogonum pauciflorum var. canum (S. Stokes) Reveal
Treatment appears in FNA Volume 5. Treatment on page 266. Mentioned on page 265.

Plants erect, 1.5–3 × 1.5–3.5 dm. Aerial flowering-stems erect, 0.5–1 dm, tomentose. Leaves: blade narrowly oblanceolate to oblanceolate or spatulate, (1–) 1.5–3.5 (–4) × 0.2–0.7 (–0.9) cm, margins plane. Inflorescences subumbellate to cymose, usually divided 3 or more times, 5–10 cm; branches tomentose. Involucres 1 per node, turbinate, (2–) 3–3.5 (–5) × 2–2.5 (–3) mm, tomentose. Flowers (1–) 1.5–2.5 (–3) mm; perianth yellow, sparsely pubescent.


Phenology: Flowering Jul–Sep.
Habitat: Clayey flats and slopes, mixed grassland and sagebrush communities, juniper woodlands
Elevation: 1100-1800 m

Discussion

Variety canum is rare throughout its widely scattered range in Carbon, Park, and Yellowstone counties, Montana, and in Big Horn and Sheridan counties, Wyoming.

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."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.

light-brown;brown +
included +  and exserted +
3-gonous +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
James L. Reveal +
(S. Stokes) Dorn +
deciduous +  and persistent +
stipelike +
Eriogonum multiceps subsp. canum +
roughened +  and papillate +
awn-tipped +  and simple +
3.5 cm35 mm <br />0.035 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
narrowly oblanceolate;oblanceolate or spatulate +
0.2cm;0.7cm +
not awn-tipped +
leaflike +  and semileaflike +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
glandular +, pubescent +  and glabrous +
scale-like +  and triangular +
not brittle +
spreading +  and erect +
scabrellous +
ridged +, angled +  and round +
whorled +, opposite +  and alternate +
Parasol wild buckwheat +
Mont. +  and Wyo. +
1100-1800 m +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
unisexual +, , +  and bisexual +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
decumbent to erect +  and prostrate +
not fistulose +
unwinged +  and winged +
black +, red +, brown +  and yellowish +
exserted +  and included +
pubescent +  and glabrous +
spheroidal +, 4-gonous +, lenticular +, biconvex +, discoid +, 3-gonous +  and 2-gonous +
Clayey flats and slopes, mixed grassland and sagebrush communities, juniper woodlands +
reduced +
subumbellate +  and cymose +
capitate +  and subcapitate +
10 cm100 mm <br />0.1 m <br /> (25 cm250 mm <br />0.25 m <br />) +
10 cm100 mm <br />0.1 m <br /> (15 cm150 mm <br />0.15 m <br />) +
dense +  and diffuse +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
connate +  and free +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
nonmembranous +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
in whorls +, opposite +, alternate +  and rosulate +
7 cm70 mm <br />0.07 m <br /> (15 cm150 mm <br />0.15 m <br />) +
persistent +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
bractlike +
pubescent +  and glabrous +
not swollen +
orthotropous +
accrescent +
curved +  and straight +
tomentose;floccose or glabrous +
erect to deflexed +
0.3 cm3 mm <br />0.003 m <br /> (3 cm30 mm <br />0.03 m <br />) +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
tomentose +  and floccose +
0.2 cm2 mm <br />0.002 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering Jul–Sep. +
homostylous +  and 3-carpellate +
Vasc. Pl. Wyoming, +
, +  and solid +
slender;stout +
persistent +
Endemic +  and Conservation concern +
decumbent to erect +  and prostrate +
penicillate +, fimbriate +  and capitate +
deciduous +  and persistent +
? (?) +  and ? (?) +
coriaceous +  and membranous +
consisting of a series +  and tubular +
distinct +
erect;spreading or recurved +
Eriogonum lagopus +  and Eriogonum pauciflorum var. canum +
chambered +  and solid +
Slender (?) +  and Stout (?) +
Eriogonum brevicaule var. canum +
Eriogonum brevicaule +
variety +
emarginate +  and entire +
0 +  and 1/2 +
1/4 +  and 1/3 +
oblong +  and obovate or ovate +
coriaceous +
erect +  and spreading +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
persistent +
membranous +
pubescent +  and glabrous +
greenish +  and green +
tomentose +  and floccose or glabrous +
synoecious +, monocarpic +, polycarpic +  and , +
3 +, 2 +  and 1 +