American gromwell
Lithospermum latifolium Michx.

Lithospermum latifolium, known as American gromwell, is a flowering plant in the Boraginaceae family. It is a tall, hairy perennial herb that produces small yellow flowers in late spring. Native to the Midwestern United States, it thrives in calcareous forest habitats.
Description
Lithospermum latifolium is a member of the genus Lithospermum and is native to regions including Ontario, Quebec, and several U.S. states such as Illinois, Indiana, and Michigan. The species was first described in 1803 by the botanist Michx. It is commonly found in calcareous forest environments and is part of the borage family, Boraginaceae. This herbaceous plant is characterized by its tall, hairy stems and small yellow flowers that bloom in late spring.
Other common names
American gromwellAmerican puccoonAmerican stoneseedbroad-leaved gromwellbroad-leaved puccoon
Distribution
Ontario · Quebec · Alabama · Arkansas · Georgia · Illinois · Indiana · Iowa · Kansas · Kentucky · Maryland · Massachusetts · Michigan · Minnesota · Mississippi · Missouri · Ohio · Pennsylvania · Québec · South Dakota · Tennessee · Virginia · West Virginia · Wisconsin
Synonyms
Lithospermum lutescensLithospermum luteumLithospermum hypocrateriformeCyphorima latifoliumCyphorima lutea

