Eriogonum heermannii var. occidentale

S. Stokes

Leafl. W. Bot. 1: 30. 1932.

Common names: Heermann’s Coast Range wild buckwheat
Endemic
Synonyms: Eriogonum heermannii subsp. occidentale (S. Stokes) S. Stokes
Treatment appears in FNA Volume 5. Treatment on page 306. Mentioned on page 304, 305.

Shrubs, rounded, usually sparsely branched, 10–20 × 10–25 dm. Leaf-blades narrowly lanceolate, 1.5–3 (–4) × 0.5–0.8 cm, tomentose to floccose abaxially (in early anthesis), occasionally glabrous with age. Inflorescences 10–30 × 10–35 cm; branches rather diffuse, with racemosely arranged involucres at tips, slender, round, smooth, glabrous, not spinose. Involucres campanulate, 2.5–3 × 2.5–3.5 mm. Flowers 3–4 mm; perianth white to pink.


Phenology: Flowering Jul–Oct.
Habitat: Clay or shale slopes, mixed grassland communities, oak and conifer woodlands
Elevation: (100-)400-1000 m

Discussion

Variety occidentale is basically restricted to scattered populations in San Benito County, although it is also found just inside Monterey County near Lonoak. A collection reported to be from King City (Rose 678, CAS) is suspect as to location.

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.

light-brown;brown +
included +  and exserted +
3-gonous +
usually red +  and cream or yellow +
oblong +  and ellipsoid or oval +
acute;obtuse or rounded +
James L. Reveal +
S. Stokes +
deciduous +  and persistent +
stipelike +
Eriogonum geniculatum +
papillate +
awn-tipped +  and simple +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
tomentose +  and floccose or glabrous abaxially +
oblong;elliptic;spatulate;oblanceolate;oblong;elliptic;spatulate;oblanceolate;linear +
0.1 cm1 mm <br />0.001 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
not awn-tipped +
leaflike +  and semileaflike +
glandular +, pubescent +  and glabrous +
scale-like +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
grooved +  and dichotomous +
not brittle +
spreading +  and erect +
scabrellous +
slender +
spreading +  and erect +
whorled +, opposite +  and alternate +
Heermann’s Coast Range wild buckwheat +
(100-)400-1000 m +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
unisexual +, , +  and bisexual +
not attenuate +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
decumbent to erect +  and prostrate +
not fistulose +
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 +
Clay or shale slopes, mixed grassland communities, oak and conifer woodlands +
reduced +
capitate +  and subcapitate +
25 cm250 mm <br />0.25 m <br /> (30 cm300 mm <br />0.3 m <br />) +
30 cm300 mm <br />0.3 m <br /> (35 cm350 mm <br />0.35 m <br />) +
dense +  and diffuse +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
cymelike +, paniclelike +, racemelike +  and spikelike +
10 cm100 mm <br />0.1 m <br /> (35 cm350 mm <br />0.35 m <br />) +
connate +  and free +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
floccose +  and glabrous +
campanulate +
nonmembranous +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
glabrous +, tomentose +  and floccose abaxially +
0.5cm;0.8cm +
in whorls +, opposite +, alternate +  and rosulate +
deciduous +
bractlike +
pubescent +  and glabrous +
not swollen +
orthotropous +
accrescent +
curved +  and straight +
erect to deflexed +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
glabrous +  and floccose +
0.1 cm1 mm <br />0.001 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Flowering Jul–Oct. +
homostylous +  and 3-carpellate +
Leafl. W. Bot. +
, +  and solid +
slender;stout +
persistent +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
decumbent to erect +  and prostrate +
erect +  and spreading +
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 heermannii subsp. occidentale +
chambered +  and solid +
slender +  and stout +
Eriogonum heermannii var. occidentale +
Eriogonum heermannii +
variety +
emarginate +  and entire +
in proximal 1/2 +  and connate +
0 +  and 1/2 +
lobed +  and laciniate +
coriaceous +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
persistent +
membranous +
pubescent +  and glabrous +
grayish +  and greenish +
erect;spreading;erect;spreading +
floccose +  and glabrous +
synoecious +, monocarpic +, polycarpic +  and , +
3 +, 2 +  and 1 +