Euthamia leptocephala


Euthamia leptocephala, is a North American species of plants in the family Asteraceae. It is native to the south-central United States, in the lower Mississippi Valley and the Coastal Plain of the Gulf of Mexico, from Texas to west-central Georgia and north as far as southern Illinois.

Description

Euthamia leptocephala is a perennial herb or subshrub up to 100 cm tall. Leaves are alternate, simple, long and narrow, up to 8 cm long. One plant can produce many small, yellow flower heads flat-topped arrays. Each head has 7-14 ray florets surrounding 3-6 disc florets.

Galls

This species is host to the following insect induced galls:Asteromyia euthamiae Gagné, 1968 forms black spots on leaf bladesEpiblema desertana causes stem swelling.