Layia pentachaeta subsp. albida

D. D. Keck

Aliso 4: 107. 1958.

Endemic
Synonyms: Layia pentachaeta var. albida (D. D. Keck) Hoover
Treatment appears in FNA Volume 21. Treatment on page 267.

Ray corollas white. 2n = 16.


Phenology: Flowering Mar–May.
Habitat: Grass-lands, openings in woodlands, saltbush scrub, clayey, subalkaline soils, sometimes sandy soils
Elevation: 70–900 m

Discussion

Subspecies albida occurs in the southern Sierra Nevada and Tehachapi Range foothills, southern San Joaquin Valley, and South Inner Coast Ranges.

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
yellow +  and brownish +
pale +  and dark +
connate +  and distinct +
shorter or longer +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
umbelliform +, spiciform +, paniculiform +, glomerulate +  and corymbiform +
indeterminate +  and determinate +
Bruce G. Baldwin +, Susan J. Bainbridge +  and John L. Strother +
D. D. Keck +
decurrent +
0.6 cm6 mm <br />0.006 m <br /> (11 cm110 mm <br />0.11 m <br />) +
lanceolate +  and linear +
compound +  and simple +
linear to linear-elliptic +
1-2-pinnatifid;oblanceolate;linear +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
yellow +, bicolored +, white +  and cream +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
hairy +  and glabrous +
fusiform +, clavate +, obpyramidal +, terete +, compressed +  and obcompressed +
fertile +  and bisexual +
fertile +  and bisexual +
70–900 m +
hirsute +  and strigose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Grass-lands, openings in woodlands, saltbush scrub, clayey, subalkaline soils, sometimes sandy soils +
in more or less corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
hemispheric +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
white +  and yellow +
0.3 cm3 mm <br />0.003 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
petiolate +  and sessile +
alternate +  and opposite +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
1-2-pinnatifid +
2-carpellate +
persistent +
of 1 +  and 32 elliptic +
subulate +, setiform +, ovate +  and lance-attenuate +
Flowering Mar–May. +
4 +  and 14 +
alternate +  and opposite +
clavate +  and obcompressed +
flat;convex +
1 +  and 22 +
setiform +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
exalbuminous +
not purple-streaked +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Layia pentachaeta var. albida +
Layia pentachaeta subsp. albida +
Layia pentachaeta +
subspecies +
cylindric +
entire +  and toothed +
60 cm600 mm <br />0.6 m <br /> (130 cm1,300 mm <br />1.3 m <br />) +
2 cm20 mm <br />0.02 m <br /> (60 cm600 mm <br />0.6 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
acrid-scented +