Euthamia leptocephala

Species of flowering plant

Euthamia leptocephala, the bushy goldentop^[3] or Mississippi Valley goldentop, 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 (40 inches) tall. Leaves are alternate, simple, long and narrow, up to 8 cm (3.2 inches) 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.^[4]

Galls

This species is host to the following insect induced galls:

• Asteromyia euthamiae Gagné, 1968 forms black spots on leaf blades
• Epiblema desertana (Zeller, 1875) causes stem swelling.

external link to gallformers

References

1. Photo of herbarium specimen at Missouri Botanical Garden, collected in Arkansas in 1882, type of Euthamia chrysothamnoides, annotated as Euthamia leptocephala
2. The Plant List, Euthamia leptocephala (Torr. & A.Gray) Greene ex Porter & Britton
3. USDA, NRCS (n.d.). "Euthamia leptocephala". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 8 July 2015.
4. Flora of North America, Euthamia leptocephala (Torrey & A. Gray) Greene ex Porter & Britton, 1894. Mississippi Valley goldentop

• Media related to Euthamia leptocephala at Wikimedia Commons