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 |