Solidago squarrosa

Solidago squarrosa, commonly known as stout goldenrod,^[2] is a North American species of goldenrod in the family Asteraceae. It is native to Canada (Ontario, Québec, and New Brunswick) and the eastern United States (from Maine west to Indiana and south as far as Tennessee and the Carolinas).^[3]

Solidago squarrosa
Two ramets, beginning flowering
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Solidago
Species:	S. squarrosa
Binomial name
Solidago squarrosa Muhl. 1813
Synonyms[1]
Aster muehlenbergianus Kuntze Solidago squamosa Nutt. ex Hook. 1834

Solidago squarrosa is a perennial herb up to 150 cm (5 feet) tall, with a branching underground caudex. Leaves are egg-shaped, up to 20 cm (8 inches) long near the base of the plant, shorter higher up the stem. One plant can produce as many as 200 small yellow flower heads in a narrow, elongate array at the top of the plant.^[2]

Magnification of pseudanthium, showing characteristic bent-back phyllaries

Galls

This species is host to the following insect induced galls:

• Asteromyia carbonifera (Osten Sacken, 1862)

external link to gallformers