Eriogonum microthecum var. corymbosoides

Reveal

Sci. Bull. Brigham Young Univ., Biol. Ser. 13(1): 25, fig. 13. 1971.

Common names: San Bernardino wild buckwheat
EndemicConservation concern
Treatment appears in FNA Volume 5. Treatment on page 245. Mentioned on page 243.
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Shrubs, 3–6 × 6–12 (–15) dm. Stems: caudex absent; aerial flowering-stems 0.5–1.3 (–1.5) dm, tannish to reddish-brown-lanate to tomentose or rarely floccose. Leaves: blade elliptic to obovate, (0.8–) 1–2 (–2.5) × (0.4–) 0.6–1 cm, densely whitish-brown-tomentose abaxially, floccose to subglabrous adaxially, margins not revolute. Inflorescences 1–4 cm; branches lanate to tomentose. Involucres 2–3 mm, floccose to subglabrous. Flowers 2–2.5 (–3) mm; perianth white to reddish. Achenes 2.5–3 mm.


Phenology: Flowering Jul–Sep.
Habitat: Gravelly to rocky granitic slopes, chaparral communities, oak and montane conifer woodlands
Elevation: (1500-)1800-2900 m

Discussion

Variety corymbosoides is found infrequently at the eastern end of the San Bernardino Mountains, San Bernardino County; Little Rock Canyon of the San Gabriel Mountains, Los Angeles County; and the Mt. Pinos area of southwestern Kern County.

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.

included +  and exserted +
3-gonous +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
acute;obtuse or rounded +
James L. Reveal +
Reveal +
deciduous +  and persistent +
stipelike +
Undefined subg. Eucycla +
papillate +
awn-tipped +  and simple +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
floccose +  and subglabrous +
elliptic;obovate +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not awn-tipped +
leaflike +  and semileaflike +
glandular +, pubescent +  and glabrous +
linear +  and triangular +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
gray +, green +, reddish-tomentose to floccose or glabrate +  and brownish +
not brittle +
spreading +  and erect +
lanate +  and tomentose +
scabrellous +
ridged +, angled +  and round +
whorled +, opposite +  and alternate +
San Bernardino wild buckwheat +
(1500-)1800-2900 m +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
unisexual +, , +  and bisexual +
not attenuate +
0.2 cm2 mm <br />0.002 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 +
Gravelly to rocky granitic slopes, chaparral communities, oak and montane conifer woodlands +
reduced +
capitate +  and subcapitate +
6 cm60 mm <br />0.06 m <br /> (12 cm120 mm <br />0.12 m <br />) +
10 cm100 mm <br />0.1 m <br /> (13 cm130 mm <br />0.13 m <br />) +
dense +  and diffuse +
0.5 cm5 mm <br />0.005 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
connate +  and free +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
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 /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
floccose +  and subglabrous +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
nonmembranous +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
in whorls +, opposite +, alternate +  and rosulate +
persistent +
bractlike +
pubescent +  and glabrous +
lobed +, undulate +, crisped +, crenulate +  and entire +
not swollen +
orthotropous +
accrescent +
curved +  and straight +
tomentose;floccose +
erect to deflexed +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
white;reddish +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
tomentose +  and floccose or glabrous +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering Jul–Sep. +
homostylous +  and 3-carpellate +
Sci. Bull. Brigham Young Univ., Biol. Ser. +
, +  and solid +
slender;stout +
persistent +
Endemic +  and Conservation concern +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
decumbent to erect +  and prostrate +
spreading +  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 +
chambered +  and solid +
slender +  and stout +
Eriogonum microthecum var. corymbosoides +
Eriogonum microthecum +
variety +
emarginate +  and entire +
0 +  and 1/2 +
1/5 +  and 2/5 +
oblong +  and obovate +
coriaceous +
0.1 cm1 mm <br />0.001 m <br /> (0.17 cm1.7 mm <br />0.0017 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 +
glabrous +, floccose +  and tannish-tomentose +
synoecious +, monocarpic +, polycarpic +  and , +
3 +, 2 +  and 1 +