Eriogonum deflexum var. baratum

(Elmer) Reveal

Brittonia 20: 24. 1968.

Common names: Tall skeleton weed
Endemic
Basionym: Eriogonum baratum Elmer Bot. Gaz. 39: 52. 1905
Synonyms: Eriogonum deflexum subsp. baratum (Elmer) Munz
Treatment appears in FNA Volume 5. Treatment on page 395.

Plants 3–10 dm. Flowering-stems fistulose. Inflorescences usually narrowly erect and strict. Peduncles deflexed, (0.3–) 0.5–1.5 cm. Involucres narrowly turbinate, (2–) 2.5–3 mm. Flowers 2–2.5 mm; tepals cordate. 2n = 40.


Phenology: Flowering Jul–Oct.
Habitat: Sandy to gravelly washes, flats, and slopes, saltbush, creosote bush, blackbrush, and sagebrush communities, pinyon-juniper woodlands
Elevation: 700-2900 m

Discussion

Variety baratum occurs from the Transverse Ranges of southwestern California (Kern, Los Angeles, and Ventura counties) northward onto the eastern slope of the Sierra Nevada (Kern, Tulare, and Inyo counties), onto the desert ranges of northern San Bernardino County north to Mono County, and east into southern Nevada (Esmeralda, Lincoln, and Nye counties).

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.

0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
brown;dark-brown +
included +  and exserted +
3-gonous +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
James L. Reveal +
(Elmer) Reveal +
deciduous +  and persistent +
stipelike +
Eriogonum baratum +
awn-tipped +  and simple +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
grayish +  and greenish +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
subglabrous +, floccose +  and white-tomentose +
cordate;reniform or nearly orbiculate +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
not awn-tipped +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
glandular +, pubescent +  and glabrous +
scale-like +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
grooved +, disarticulating +  and dichotomous +
not brittle +
glaucous +  and glabrous +
scabrellous +
whip-like +
spreading +  and erect +
whorled +, opposite +  and alternate +
Tall skeleton weed +
Calif. +  and Nev. +
700-2900 m +
pilose +  and glabrous +
unisexual +, , +  and bisexual +
not attenuate +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
hollow +  and solid +
decumbent to erect +  and prostrate +
slender;stout +
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 +
Sandy to gravelly washes, flats, and slopes, saltbush, creosote bush, blackbrush, and sagebrush communities, pinyon-juniper woodlands +
open +  and cymose +
capitate +  and subcapitate +
racemose +, paniculate +  and cymose-paniculate +
90 cm900 mm <br />0.9 m <br /> (180 cm1,800 mm <br />1.8 m <br />) +
10 cm100 mm <br />0.1 m <br /> (90 cm900 mm <br />0.9 m <br />) +
hemispheric +  and flat-topped +
5 cm50 mm <br />0.05 m <br /> (50 cm500 mm <br />0.5 m <br />) +
connate +  and free +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
nonmembranous +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
in whorls +, opposite +, alternate +  and rosulate +
marcescent +
persistent +
bractlike +
pubescent +  and glabrous +
lobed +, undulate +, crisped +, crenulate +  and entire +
greenish +  and reddish +
not swollen +
orthotropous +
accrescent +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
erect to deflexed +
filiform;capillary +
slender +  and stout +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
pinkish;reddish +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Flowering Jul–Oct. +
homostylous +  and 3-carpellate +
, +  and solid +
slender;stout +
persistent +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
decumbent to erect +  and prostrate +
spreading +  and erect +
glabrous +, short-hispid +, villous +, hirsute +, floccose +  and tomentose +
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 deflexum subsp. baratum +
chambered +  and solid +
slender +  and stout +
Eriogonum deflexum var. baratum +
Eriogonum deflexum +
variety +
emarginate +  and entire +
1/5 +  and 1/2 +
cordate +
coriaceous +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
persistent +
membranous +
pubescent +  and glabrous +
annual +  and perennial +
greenish +  and grayish +
glaucous +  and glabrous +
synoecious +, monocarpic +, polycarpic +  and , +
3 +, 2 +  and 1 +