Synonym:  Solidago graminifolia (L.) Salisb.

              

abc ..
Plants of mesic to dry-mesic, old fields, roadsides and other open, disturbed sites.  Flowers mid-August to mid-September.  Native.

Perennial.  Colony-forming from creeping rhizomes.  Typical height is 2.5 to 3.5 feet.

Overall inflorescences are flat- to rounded-topped, located in the upper 1/4 of the plant, with numerous spreading to ascending, leafy branches.  Flower heads are located at the tips of branches in compact clusters called glomerules.

Flower heads are radiateRay florets are pistillate and fertile, yellow.  Disc florets are bisexual and fertile, yellow.

Basal and lower stem leaves are absent at flowering.  Mid- to upper stem leaves are linear to narrowly lanceolate, with 3-5 veins.  Minute, sunken glands may be found on leaves.  Leaves may also possess small, round, black spots, which are caused by the larvae of gall midges (such as, Asteromyia euthamiae), a type of fly.

Cypselae are ellipsoid, round in cross-section.  The pappus is of numerous minutely-barbed bristles.

.

.

Similar species:  E. caroliniana is similar, but is found mostly in coastal sections of the northeastern states.

 

.

.

.

.

.


Images and text copyright  botphoto.com  and Arieh Tal, 1990 to 2016.  All rights reserved.  ( Terms of use )
.