
Appearance
This native plant is an annual or biennial from 2-6' tall. Its flowers are light blue to violet and are usually arranged in elongated clusters. It is an unusual bellflower in that its flowers are usually flat and not bell-shaped.It has a varying life-history with seeds germinating in the fall producing annual plants and spring-germinating seeds producing biennial plants. It is generally insect-pollinated, and does not usually self-pollinate.

Naming
Some authorities, including the USDA Plants database consider the name ''Campanulastrum americanum'' to be the valid and correct name for this species.References:
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