Tragopogon pratensis

Linnaeus

Sp. Pl. 2: 789. 1753.

Common names: Meadow salsify Jack-go-to-bed-at-noon salsifis des prés
Introduced
Treatment appears in FNA Volume 19. Treatment on page 305. Mentioned on page 303, 306.

Plants (15–) 40–100 cm. Leaves: apices usually recurved to coiled, faces initially tomentulose to floccose, soon glabrescent. Peduncles usually little, if at all, inflated (at flowering, may inflated in fruit), initially floccose to tomentulose, soon glabrescent. Involucres urceolate in bud. Outer florets equaling or surpassing phyllaries; corollas yellow. 2n = 12.


Phenology: Flowering May–Aug.
Habitat: Disturbed sites
Elevation: 10–2100 m

Distribution

V19-448-distribution-map.gif

Introduced; Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Sask., Ariz., Calif., Colo., Conn., Del., D.C., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Oreg., Pa., R.I., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Europe

Discussion

Tragopogon pratensis is naturalized across much of North America. The circumscription and infraspecific taxonomy of T. pratensis in Europe are debated, and the name T. pratensis may prove to be inaccurately assigned to the introduced populations in North America.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Tragopogon pratensis"
scarious +
ovate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
Pamela S. Soltis +
Linnaeus +
decurrent +
abrupt +  and gradually tapered +
compound +  and simple +
lance-attenuate;lance-linear +
tuberculate +, rugose +, muricate +  and smooth +
less fusiform;cylindric +
filiform +
Meadow salsify +, Jack-go-to-bed-at-noon +  and salsifis des prés +
zygomorphic +, actinomorphic +  and (3-)5-merous +
whitish +, stramineous +, dark +  and pale-brown +
tapered +, beaked +, flattened +, obcompressed +, compressed +, prismatic +, fusiform +, ellipsoid +, columnar +  and clavate +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Ariz. +, Calif. +, Colo. +, Conn. +, Del. +, D.C. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.Dak. +, Tenn. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +  and Europe +
10–2100 m +
glabrescent +, initially tomentulose +  and floccose +
muricate +
winged +  and beaked +
dispersed +
Disturbed sites +
indeterminate +
each +  and sessile +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
cauline +  and basal +
pellucid +  and white +
divided +, lobed +  and dentate +
surpassing phyllaries +  and equaling +
2-carpellate +
brownish +  and whitish +
persistent +
subequal +  and unequal +
glabrescent +, initially floccose +  and tomentulose +
Flowering May–Aug. +
connate +  and distinct +
8 +  and 12# +
subequal +  and unequal +
subulate +
exalbuminous +
Introduced +
1 (?) +  and 5 (?) +
glabrescent +, tomentulose +  and floccose +
appendaged +  and truncate +
papillate +
Undefined tribe Lactuceae +
Tragopogon pratensis +
Tragopogon +
species +
15 cm150 mm <br />0.15 m <br /> (50 cm500 mm <br />0.5 m <br />) +
50 cm500 mm <br />0.5 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
15 cm150 mm <br />0.15 m <br /> (40 cm400 mm <br />0.4 m <br />) +