abc ..
Perennials.  From 1 to several stout, erect, pubescent stems are produced from short rhizomes.  Plants tend to be colony-forming.  Typical height is 4 to 6+ ft. (12 to 18+ dm).

The terminal and branch inflorescences are in the form of a corymb, with flower heads clustered at the tips of branches on short peduncles.

Flower heads are radiateRay florets are pistillate and fertile; ray florets are blue-violet to purple.  Disc florets are bright yellow.  Involucral bracts are subequal in length, densely pubescent and sometimes glandular.

Basal leaves are large, oblanceolate, and borne on long, winged petioles.  At least lower stem leaves, and often also basal leaves are present at flowering.  Stem leaves are similar to basal leaves, but becoming smaller and shorter petiolate upwards.

Plants of open woods, fields and roadsides.  Flowers September through October.  Not native.

.

.

Similar species in our flora: none.

.

.

.

.

.

.


Images and text copyright  botphoto.com  and Arieh Tal, 1990 to 2018.  All rights reserved.  ( Terms of use )
.