Senecio aureus L. - Golden Ragwort


 

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Senecio aureus - (image 1 of 6)

 

Taxonomy

Family: Asteraceae

Habitat

Calcareous springy places, moist meadows, shaded swamps.

Associates

 

Distribution

Labrador west to MN, south to NC, northern GA, and central AR.

Morphology

Rhizomatous perennial to 80 cm. Principle leaves basal and petiolate, less than 1.5 times as long as wide, truncate-rounded to distinctly cordate; cauline leaves few, sessile to remotely petiolate, more or less pinnatifid, the terminal lobe of the lowest often not much longer than broad and about the same shape as the laterals. Heads several to many; base of the involucre glabrous or with a thin covering of hairs; phyllaries tapered gradually to an obtuse or acute tip, or if abrupt much less than 1 mm long; rays yellow, 3-4 cm.

Notes

Flowers late April to June

Wetland indicator: Facultative Wetland

May be difficult to separate from S. pauperculus if the basal leaves are not present.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States
and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


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 Michael Hough 2005