Taxonomy
Family: Asteraceae
Habitat
Woods, streambanks, meadows and fields.
Associates
Distribution
NY to IL and KS, south to FL, TX, and WI.
Morphology
Rhizomatous perennial; stems 30-90 cm, puberulent; leaves opposite, petiolate, crenate or crenate-serrate, deltoid-ovate, sometimes narrower, trinerved or triplinerved, sparsely appressed-hairy to subglabrous, often antomiferous-glandular; involucres 3-5 mm; involucral bracts narrow, firm, long-pointed, imbricate; receptacle conic; flowers 35-70, bright blue or violet.
Notes
Flowers July to October
Wetland Indicator: FAC
A nice plant for cultivation, staying relatively small and compact with abundant bright blue or violet flowers. Seems to be a little fussy, preferring a rich soil without a lot of competition but tolerant of drought.
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 |