Sonchus arvensis subsp. uliginosus

(M. Bieberstein) Nyman

Consp. Fl. Eur., 433. 1879.

Introduced
Basionym: Sonchus uliginosus M. Bieberstein Fl. Taur.-Caucas. 2: 238. 1808
Synonyms: Sonchus arvensis var. glabrescens Günther, Grabowski & Wimmer
Treatment appears in FNA Volume 19. Treatment on page 274. Mentioned on page 275.

Peduncles sessile-glandular. Phyllaries usually sessile-glandular, rarely tomentose, the longer 10–15 mm. 2n = 36.


Phenology: Flowering Jul–Sep.
Habitat: Mostly wet, disturbed sites, oil-seed or irrigated crops, roadside ditches, along streams, wetlands
Elevation: 0–2200 m

Distribution

V19-378-distribution-map.gif

Introduced; Alta., B.C., Man., N.B., N.S., Ont., P.E.I., Que., Sask., Yukon, Calif., Colo., Conn., Del., Idaho, Ill., Ind., Iowa, Kans., Maine, Md., Mass., Mich., Minn., Miss., Mont., Nebr., Nev., N.J., N.Y., N.C., N.Dak., Ohio, Oreg., Pa., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Europe, widely elsewhere

Discussion

Subspecies uliginosus is considered a noxious weed in Alaska, Idaho, Illinois, Iowa, Maryland, Minnesota, North Carolina, North Dakota, South Dakota, and Wyoming.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

scarious +
ovate +  and lanceolate +
corymbiform +  and subumbelliform +
indeterminate +  and determinate +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
curved +  and straight +
6 cm60 mm <br />0.06 m <br /> (40 cm400 mm <br />0.4 m <br />) +
cauline +  and mid +
lobed;rounded;auriculate;oblong;lanceolate +
2 cm20 mm <br />0.02 m <br /> (?) +  and 15 cm150 mm <br />0.15 m <br /> (?) +
Philip E. Hyatt +
(M. Bieberstein) Nyman +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
curved +  and straight +
6 cm60 mm <br />0.06 m <br /> (40 cm400 mm <br />0.4 m <br />) +
cauline +  and mid +
lobed +, rounded +, auriculate +, oblong +  and lanceolate +
2cm;15cm +
Sonchus uliginosus +
compound +  and simple +
deltate +
not constricted +
tuberculate +, rugose +, muricate +  and smooth +
filiform +
barbellulate +  and smooth +
zygomorphic +, actinomorphic +  and (3-)5-merous +
yellow +  and orange +
oblanceoloid +  and ellipsoid +
Alta. +, B.C. +, Man. +, N.B. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Calif. +, Colo. +, Conn. +, Del. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mont. +, Nebr. +, Nev. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Oreg. +, Pa. +, S.Dak. +, Tenn. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Europe +  and widely elsewhere +
0–2200 m +
transversely rugulose +  and tuberculate +
winged +  and beaked +
dispersed +
Mostly wet, disturbed sites, oil-seed or irrigated crops, roadside ditches, along streams, wetlands +
indeterminate +
each +  and sessile +
connate +  and coherent +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
campanulate;urceolate +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
curved +  and straight +
6 cm60 mm <br />0.06 m <br /> (40 cm400 mm <br />0.4 m <br />) +
cauline +  and mid +
lobed +, rounded +, auriculate +, oblong +  and lanceolate +
2cm +  and 15cm +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
curved +  and straight +
cauline +  and mid +
lobed +, rounded +, auriculate +, oblong +  and lanceolate +
2cm +  and 15cm +
2-carpellate +
persistent +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
stipitate-glandular +
Flowering Jul–Sep. +
connate +  and distinct +
27 +  and 50 +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Consp. Fl. Eur., +
flat;convex +
4 +  and 5 +
exalbuminous +
Introduced +
woody +  and hard +
appendaged +  and truncate +
papillate +
Sonchus arvensis var. glabrescens +
Sonchus arvensis subsp. uliginosus +
Sonchus arvensis +
subspecies +
entire +  and dentate +
usually larger +
stoloniferous +  and rhizomatous +
150 cm1,500 mm <br />1.5 m <br /> (200 cm2,000 mm <br />2 m <br />) +
0 cm0 mm <br />0 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
shrub +  and subshrub +