Eriogonum sphaerocephalum var. sublineare

(S. Stokes) Reveal

Harvard Pap. Bot. 9: 197. 2004.

Common names: Scabland wild buckwheat
Endemic
Basionym: Eriogonum caespitosum var. sublineare S. Stokes Leafl. W. Bot. 2: 72. 1938
Synonyms: Eriogonum douglasii var. sublineare (S. Stokes) Reveal Eriogonum douglasii var. tenue (Small) C. L. Hitchcock
Treatment appears in FNA Volume 5. Treatment on page 363. Mentioned on page 362.
Revision as of 09:44, 30 July 2020 by imported>Volume Importer
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Leaf-blades linear-oblanceolate, mostly tomentose on both surfaces, margins usually revolute. Inflorescences capitate or umbellate. Perianths pale-yellow to ochroleucous.


Phenology: Flowering May–Jul.
Habitat: Gravelly, volcanic scablands, mixed grassland and sagebrush communities
Elevation: 100-1300 m

Discussion

Variety sublineare is found in south-central Wash-ington and adjacent north-central Oregon. It is frequently confused with Eriogonum douglasii.

Selected References

None.

Lower Taxa

None.

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light-brown +
included +  and exserted +
3-gonous +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
James L. Reveal +
(S. Stokes) Reveal +
deciduous +  and persistent +
loose to congested +
stipelike +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Eriogonum caespitosum var. sublineare +
awn-tipped +  and simple +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
tomentose +  and floccose or glabrous +
spatulate;oblanceolate;spatulate;oblanceolate;linear-oblanceolate +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
not awn-tipped +
glandular +, pubescent +  and glabrous +
scale-like +
grooved +, disarticulating +  and dichotomous +
not brittle +
glabrous +  and floccose +
scabrellous +
spreading +  and erect +
whorled +, opposite +  and alternate +
Scabland wild buckwheat +
Oreg. +  and Wash. +
100-1300 m +
curved +  and straight +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
unisexual +  and bisexual +
attenuate +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
decumbent to erect +  and prostrate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
linear-oblanceolate +  and oblanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
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 +
Gravelly, volcanic scablands, mixed grassland and sagebrush communities +
umbellate +  and capitate +
subcapitate +  and capitate +
cymelike +, paniclelike +, racemelike +  and spikelike +
connate +  and free +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
turbinate-campanulate +  and campanulate +
nonmembranous +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
linear-oblanceolate +
in whorls +, opposite +, alternate +  and rosulate +
persistent +
cauline +  and basal +
bractlike +
pubescent +  and glabrous +
revolute +, plane +  and entire +
not swollen +
orthotropous +
accrescent +
curved +  and straight +
erect to deflexed +
pale-yellow;ochroleucous +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
glabrous +  and floccose +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering May–Jul. +
homostylous +  and 3-carpellate +
Harvard Pap. Bot. +
, +  and solid +
slender;stout +
persistent +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
decumbent to erect +  and prostrate +
prostrate +  and erect +
glandular +, pubescent +  and glabrous +
penicillate +, fimbriate +  and capitate +
deciduous +  and persistent +
2-lobed +  and cylindric +
coriaceous +  and membranous +
consisting of a series +  and tubular +
distinct +
erect;spreading or recurved +
spreading;erect +
Eriogonum douglasii var. sublineare +  and Eriogonum douglasii var. tenue +
chambered +  and solid +
slender +  and stout +
Eriogonum sphaerocephalum var. sublineare +
Eriogonum sphaerocephalum +
variety +
emarginate +  and entire +
1/4 +  and 1/3 +
obovate +  and oblong-ovate +
coriaceous +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
persistent +
membranous +
pubescent +  and glabrous +
sericeous +, lanate +  and tomentose floccose or glabrous +
dioecious +, polygamodioecious +, synoecious +  and polycarpic +
annual +, biennial +  and perennial +
glabrous +  and floccose +
proximally +  and midlength +
3 +, 2 +  and 1 +