Scolymus hispanicus

Linnaeus

Sp. Pl. 2: 813. 1753.

Common names: Golden thistle Spanish salsify or oyster
WeedyIntroducedIllustrated
Treatment appears in FNA Volume 19. Treatment on page 220.
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Biennials or perennials. Stem wings not continuous, margins spinose, little, if at all, white or thickened. Leaf-blades 40–200 × 15–70 mm, margins little, if at all white or thickened. Involucres 15–20 × 8–10 mm, larger in fruit. Phyllaries lanceolate, glabrous. Cypsela/palea units ± orbiculate to ovate, 3–5 mm; pappi of 2–4 setiform-aristate scales plus 0–4 muticous to lanceolate scales. 2n = 20.


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

Distribution

V19-271-distribution-map.gif

Introduced; Ala., Calif., N.Y., Pa., Europe

Discussion

In the Mediterranean region, Scolymus hispanicus is used (or has been used) as a medicinal herb and root vegetable. It is considered to be a noxious weed in the United States.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Scolymus hispanicus"
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 +
Golden thistle +  and Spanish salsify or oyster +
zygomorphic +, actinomorphic +  and (3-)5-merous +
obovoid +  and obcompressed +
Ala. +, Calif. +, N.Y. +, Pa. +  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 />) +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
campanulate;urceolate +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 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 +
less orbiculate +  and ovate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 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 +
Weedy +, Introduced +  and Illustrated +
hairy +  and glabrous +
appendaged +  and truncate +
papillate +
Undefined tribe Lactuceae +
Scolymus hispanicus +
Scolymus +
species +
80 cm800 mm <br />0.8 m <br /> (200 cm2,000 mm <br />2 m <br />) +
perennial +  and biennial +
10 cm100 mm <br />0.1 m <br /> (80 cm800 mm <br />0.8 m <br />) +
shrub +  and subshrub +