amsinckia

Amsinckia is a genus of flowering plants in the family Plantaginaceae, native to North America. The genus is named after the Swedish botanist Pehr Kalm, who was also known as Amsinck. Amsinckia species are known for their vibrant, often colorful flowers, which bloom from spring to early summer. They are commonly found in a variety of habitats, including meadows, prairies, and along roadsides.

The most well-known species is Amsinckia grandiflora, commonly known as the grand amsinckia or prairie amsinckia. This species is native to the central United States and is characterized by its large, showy flowers that can be blue, purple, or white. Other notable species include Amsinckia menziesii, which is native to the Pacific Northwest, and Amsinckia intermedia, which is found in the Great Plains region.

Amsinckia plants are typically herbaceous perennials, although some species are annuals. They have simple, opposite leaves and produce inflorescences of flowers that are often arranged in clusters. The flowers are typically tubular or bell-shaped, with five petals that are often fused at the base.

Amsinckia species are valued for their ornamental qualities and are often used in gardens and landscaping. They are also important for their ecological roles, providing habitat and food for a variety of pollinators and other wildlife. However, some species are considered invasive in certain regions, and efforts are being made to control their spread.