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FNA | Family List | FNA Vol. 20 | Asteraceae | Symphyotrichum

49a. Symphyotrichum ontarionis (Wiegand) G. L. Nesom var. ontarionis

Leaves: abaxial faces moderately to densely hairy. 2n = 32.

Flowering Aug–Oct. Often shaded, usually moist, alluvial soils, alluvial stream or lake shores, floodplain deciduous forests or thickets, bogs, marshes, edges of fields, roadsides; 10–300+ m; Ont., Que.; Ala. , Ill., Ind., Iowa, Kans., Ky., La., Mich., Minn., Miss., Mo., Nebr., N.Y., N.C., Okla., Pa., S.Dak., Tenn., Tex., Vt., Wis.

A. G. Jones (1989) suggested that var. ontarionis hybridizes with Symphyotrichum lanceolatum, S. lateriflorum, and S. racemosum. Existence of such hybrids needs confirmation.


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