Synonym:  Aster schreberi  Nees

              

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Plants of rich woods and clearings, often on soils of higher pH.  Flowers through August into early September.  Native.

Perennial.  Colony-forming  from rhizomes; colonies often with a large number of sterile rosettes, esp. in deep shade.  Stems tend to be straight.  Typical height is 2 to 3(-4) feet.

The overall inflorescence is flat- to round-topped, tending to occur near stem summits.  Robust plants may produce additional, longer  flowering branches below the terminal inflorescence.

Flower heads are radiateRay florets are pistillate and fertile; rays are whiteDisc florets are bright yellow, turning magenta with age.  Involucres tend to be cylindricalInvolucral bracts are in several series of unequal length; margins are densely ciliate; dark green zones tend to be basally truncated or diamond-shaped.  Peduncles and involucral bracts are not (or only very sparsely) glandular.

Basal leaves are present at flowering, often in large colonies.  All but upper leaves are broadly heart shaped, with toothed margins.  All but uppermost leaves are borne on petioles.  Petioles of mid- to upper leaves may be broadly winged.

Cypselae are spindle-shapedPappus is of minutely-barbed bristles.

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Similar species:  Eurybia macrophylla and E. divaricata.

 

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