Taxonomy
Family: Asteraceae
Habitat
Wet, often sandy or acid soil, or in shallow water.
Associates
Distribution
Chiefly on the coastal plain from MA to MD, disjunct in Nova Scotia and in SC and GA. Extirpated from PA.
Morphology
Rhizomatous perennial; stems glabrous, 20-60 cm; leaves 2-5 cm, linear, entire or occasionally some irregularly lobed; heads rather short-pedunculate; disk yellow, 5-10 mm wide; outer involucral bracts short, eventually spreading; rays pink (white), about 1 cm long; receptacular bracts linear, acute to obtuse; disk corollas 4-lobed; style appendages short and blunt; achenes narrow, wingless, about 2 mm long; pappus a minute cup or nearly obsolete.
Notes
Flowers August to September
Wetland indicator: FACW
Although easily cultivated and commonly sold, native populations of this species are rare in all states and it is considered globally vulnerable (G3).
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
Michael Hough © 2018 |