Centaurea cyanus, commonly known as cornflower or bachelor's button, [note 1] is an annual flowering plant in the family Asteraceae native to Europe. In the past, it often grew as a weed in cornfields (in the broad sense of "corn", referring to grains, …

2023年3月9日 · Centaurea cyanus, commonly known as cornflower or bachelor’s button, is an annual or biennial herbaceous plant from the Asteraceae family. Centaurea cyanus is native to Europe and Asia. It is not clear where it was first cultivated, as it has been grown in gardens and cultivated for centuries.

Finely hairy, straw-colored at maturity with a tuft of short, stiff, light brown bristles at the tip. Leaves are alternate, 1 to 4 inches long, pointed at the tip that are sparsely to moderately covered in long, matted hairs, a distinguishing characteristic of this plant.

cornflower, (Centaurea cyanus), herbaceous annual plant of the Asteraceae family. Native to Europe, cornflowers are widely cultivated in North America as garden plants and have naturalized as an invasive species in some areas outside of their native range.

Centaurea cyanus is an annual herb that is not native to California. Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. Berkeley, California: The Calflora Database [a non-profit organization].

Bearing charming and profuse flowers for months, Centaurea cyanus, known as Cornflower or Bachelor’s Button, are particularly attractive annual plants with usually double, daisy-like flower heads, 1.5 in. wide (3.5 cm), in shades of blue, pink, lavender, white, and maroon.

Bachelor’s buttons are those small blue flowers with a round, thistle-like shape. Their botanical name is Centaurea cyanus, and they are also known by the common name of cornflower because of their prevalence in cornfields in their native Europe.

Centaurea cyanus is an annual cornflower native to Europe that has escaped gardens and naturalized throughout much of the United States and southern Canada. In Missouri, it is typically found in fields and waste grounds and along railroads and roadsides (Steyermark).

2023年4月4日 · Centaurea cyanus. Bachelor’s button, Centaurea cyanus, is a European wildflower that has naturalized across the United States. It is a member of the Asteraceae family that includes asters, chicory, daisies, mums, sunflowers, and yarrow.

The Latin name, Cyanus, was given the Cornflower after a youthful devotee of the goddess Flora (Cyanus), whose favourite flower it was, and the name of the genus is derived from the Centaur, Chiron, who taught mankind the healing virtue of herbs.