Layia carnosa

(Nuttall) Torrey & A. Gray

Fl. N. Amer. 2: 394. 1843.

EndemicConservation concern
Basionym: Madaroglossa carnosa Nuttall Trans. Amer. Philos. Soc., n. s. 7: 393. 1841
Treatment appears in FNA Volume 21. Treatment on page 268. Mentioned on page 263, 264, 269.

Plants 2–18 cm (self-compatible); glandular, not strongly scented. Stems not purple-streaked. Leaf-blades oblong or ovate, 3–45 mm, margins (basal leaves) lobed. Involucres ± campanulate, 4–8 × 3–7+ mm. Phyllaries 4–10, apices shorter than folded bases. Paleae in 1 series between ray and disc-florets. Ray-florets 4–10; laminae white, 1.5–3.5 mm. Disc-florets 5–45; corollas 2–4 mm; anthers ± dark purple. Ray cypselae sparsely hairy. Disc pappi of 24–32 white to tawny or rufous, ± equal bristles or setiform scales 2.5–3.5 mm, each proximally plumose, not adaxially woolly. 2n = 16.


Phenology: Flowering Apr–Jul.
Habitat: Coastal sand dunes
Elevation: 0–60 m

Discussion

Of conservation concern.

Layia carnosa occurs on the Central Coast and North Coast and in the San Francisco Bay area.

of conservation concern

Selected References

None.

Lower Taxa

None.
... more about "Layia carnosa"
not tailed +, rounded +  and obtuse +
dark purple +
pale +  and dark +
connate +  and distinct +
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 +
(Nuttall) Torrey & A. Gray +
decurrent +
Madaroglossa carnosa +
0.3 cm3 mm <br />0.003 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
ovate +  and oblong +
compound +  and simple +
linear to linear-elliptic +
1-2-pinnatifid;oblanceolate;linear +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
yellow +, bicolored +, white +  and cream +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
hairy +  and glabrous +
fusiform +, clavate +, obpyramidal +, terete +, compressed +  and obcompressed +
fertile +  and bisexual +
fertile +  and bisexual +
0–60 m +
hirsute +  and strigose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Coastal sand dunes +
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 />) +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
campanulate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
petiolate +  and sessile +
alternate +  and opposite +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
of 1 +  and 32 elliptic +
subulate +, setiform +, ovate +  and lance-attenuate +
Flowering Apr–Jul. +
4 +  and 10 +
alternate +  and opposite +
Fl. N. Amer. +
clavate +  and obcompressed +
flat;convex +
plumose +  and setiform +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
exalbuminous +
Endemic +  and Conservation concern +
not purple-streaked +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Layia carnosa +
species +
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 />) +