Eriogonum grande var. rubescens

(Greene) Munz

Man. S. Calif. Bot., 597. 1935.

Common names: Red-flowered pacific island wild buckwheat
Endemic
Basionym: Eriogonum rubescens Greene Pittonia 1: 39. 1887
Synonyms: Eriogonum grande var. dunklei Reveal Eriogonum latifolium subsp. rubescens (Greene) S. Stokes Eriogonum latifolium var. rubescens (Greene) Munz
Treatment appears in FNA Volume 5. Treatment on page 315.

Subshrubs or herbs, 2–5 dm, occasionally floccose. Aerial flowering-stems occasionally fistulose, 2–6 dm. Leaf-blades 2–5 (–6) × 1–3 (–4.5) cm, tomentose abaxially, subglabrous adaxially. Inflorescences subcapitate to cymose, 5–15 (–30) × 5–20 cm. Involucres campanulate, 5–7 × 4–6 mm. Flowers 2.5–3 mm; perianth pink to red or rose.


Phenology: Flowering Apr–Sep.
Habitat: Cliffs and bluffs, coastal grassland and scrub communities
Elevation: 10-200 m

Discussion

Variety rubescens occurs naturally on San Miguel, Santa Cruz, and Santa Rosa islands off the coast of southern California. This expression is highly attractive and frequently planted. It has yet to be found naturalized on the mainland.

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."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 +
(Greene) Munz +
deciduous +  and persistent +
stipelike +
Eriogonum rubescens +
papillate +
awn-tipped +  and simple +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
tomentose +  and floccose +
oblong;oblong-ovate +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
not awn-tipped +
leaflike +  and semileaflike +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
glandular +, pubescent +  and glabrous +
triangular +, scale-like +, oblong +  and oblong-ovate +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not brittle +
spreading +  and erect +
floccose +  and glabrous +
scabrellous +
ridged +, angled +  and round +
spreading +  and erect +
whorled +, opposite +  and alternate +
Red-flowered pacific island wild buckwheat +
10-200 m +
unisexual +, , +  and bisexual +
not attenuate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 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 +
Cliffs and bluffs, coastal grassland and scrub communities +
reduced +
subcapitate +  and cymose +
capitate +  and subcapitate +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
dense +  and diffuse +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
cymelike +, paniclelike +, racemelike +  and spikelike +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
connate +  and free +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
floccose +  and subglabrous +
campanulate +
nonmembranous +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
5 cm50 mm <br />0.05 m <br /> (6 cm60 mm <br />0.06 m <br />) +
3 cm30 mm <br />0.03 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
subglabrous +  and tomentose +
in whorls +, opposite +, alternate +  and rosulate +
persistent +
bractlike +
pubescent +  and glabrous +
crisped +  and plane +
not swollen +
orthotropous +
accrescent +
curved +  and straight +
erect to deflexed +
pink;red or rose +
cylindric +  and urceolate +
accrescent +
fleshy +, indurate +  and membranous +
with extrafloral nectaries +  and not articulate +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Flowering Apr–Sep. +
homostylous +  and 3-carpellate +
Man. S. Calif. Bot., +
, +  and solid +
slender;stout +
persistent +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 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 +
Eriogonum grande var. dunklei +, Eriogonum latifolium subsp. rubescens +  and Eriogonum latifolium var. rubescens +
chambered +  and solid +
slender +  and stout +
Eriogonum grande var. rubescens +
Eriogonum grande +
variety +
emarginate +  and entire +
0 +  and 1/2 +
oblong-obovate +
coriaceous +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
persistent +
membranous +
pubescent +  and glabrous +
not scapose +  and much-branched +
herb +  and subshrub +
synoecious +, monocarpic +, polycarpic +  and , +
3 +, 2 +  and 1 +