Lasthenia glaberrima

de Candolle in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 664. 1836.

Common names: Smooth goldfields
IllustratedEndemic
Treatment appears in FNA Volume 21. Treatment on page 344. Mentioned on page 336, 337.

Annuals, to 35 cm. Stems erect or sprawling, branched distally, glabrous. Leaves linear, 30–100 × 2–4 (-6+) mm, (bases often connate and sheathing, apices blunt) margins entire, faces glabrous. Involucres hemispheric or campanulate, 5–7 mm. Phyllaries 5–10, ± lanceolate, hairy. Receptacles conic, papillate, glabrous. Ray-florets 6–13; (corollas pale-yellow) laminae ovate-elliptic, (0–) 0.5–2 mm. Anther appendages oblong or obovate. Cypselae grayish, somewhat flattened, ± linear, to 4 mm, hairy; pappi of 5–10 subulate to lanceolate, often fimbriate, laciniate, or aristate scales. 2n = 10.


Phenology: Flowering Mar–Jul.
Habitat: Vernal pools, wet meadows
Elevation: 0–1400 m

Distribution

V21-859-distribution-map.gif

B.C., Calif., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Lasthenia glaberrima"
obovate +  and oblong +
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +, glomerate +  and corymbiform +
indeterminate +  and determinate +
Raymund Chan +  and Robert Ornduff† +
de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
decurrent +
compound +  and simple +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
Smooth goldfields +
yellow +  and orangish +
4 +  and 18 +
papillate +
flattened +
fertile +  and bisexual +
fertile +  and bisexual +
B.C. +, Calif. +, Oreg. +  and Wash. +
0–1400 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Vernal pools, wet meadows +
in more or less corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
campanulate;hemispheric +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
ovate-elliptic +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
sessile +  and petiolate +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
30mm;100mm +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
papillate +
deltate +
2-carpellate +
persistent +
of 1 +  and 12+ aristate +
aristate +, truncate +, laciniate +  and fimbriate +
Flowering Mar–Jul. +
scarious-margined +
weakly +  and flat +
5 +  and 10 +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
5 +  and 10 +
aristate +, laciniate +, fimbriate +, subulate +  and lanceolate +
exalbuminous +
Illustrated +  and Endemic +
sprawling +, prostrate +  and decumbent +
sprawling +  and erect +
appendaged +  and truncate +
glabrate +  and glabrous +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Eriophyllinae +
Lasthenia glaberrima +
Lasthenia sect. Lasthenia +
species +
campanulate +
toothed +  and entire +
40 cm400 mm <br />0.4 m <br /> (60 cm600 mm <br />0.6 m <br />) +
0 cm0 mm <br />0 m <br /> (35 cm350 mm <br />0.35 m <br />) +
shrub +  and subshrub +