Scolymus maculatus

Linnaeus

Sp. Pl. 2: 813. 1753.

Introduced
Treatment appears in FNA Volume 19. Treatment on page 220.
Revision as of 19:06, 29 July 2020 by imported>Volume Importer
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Annuals. Stem wings ± continuous, margins spinose, usually white and thickened. Leaf-blades 40–200 × 20–80 mm, margins usually white and thickened. Involucres 12–18 × 8–12 mm, larger in fruit. Phyllaries ovatelanceolate to lanceolate, glabrous. Cypsela/palea units ± obovate, 2.5–4 mm; pappi 0.2n = 20.


Phenology: Flowering Jul.
Habitat: Disturbed sites
Elevation: 0–100 m

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Scolymus maculatus"
rounded;acute +
scarious +
ovate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
Linnaeus +
decurrent +
compound +  and simple +
lanceolate;oblanceolate or linear +
tuberculate +, rugose +, muricate +  and smooth +
filiform +
zygomorphic +, actinomorphic +  and (3-)5-merous +
obovoid +  and obcompressed +
N.C. +  and Europe +
0–100 m +
winged +  and beaked +
dispersed +
Disturbed sites +
in more or less spiciform arrays +  and singly +
indeterminate +
each +  and sessile +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
campanulate;urceolate +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
4 cm40 mm <br />0.04 m <br /> (20 cm200 mm <br />0.2 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
lobed to dentate +  and lobed +
2-carpellate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
persistent +
muticous +  and lanceolate +
Flowering Jul. +
connate +  and distinct +
24 +  and 30 +
unequal +  and subequal +
conic;hemispheric +
whitish;stramineous +
0 +  and 4 +
setiform-aristate +
subequal +
exalbuminous +
Introduced +
hairy +  and glabrous +
appendaged +  and truncate +
papillate +
Undefined tribe Lactuceae +
Scolymus maculatus +
Scolymus +
species +
80 cm800 mm <br />0.8 m <br /> (200 cm2,000 mm <br />2 m <br />) +
10 cm100 mm <br />0.1 m <br /> (80 cm800 mm <br />0.8 m <br />) +
shrub +  and subshrub +