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Compound flower anatomy. 11, capitulum of cornflower.

Capitulum

Compound flower anatomy. 11, capitulum of cornflower.

Centaurea cyanus has many common names including blue bottle, bluet, bachelor's button, cornflower, ragged sailor, and French pink. The flowers are blue, purple, pink, or white.

Centaurea Cyanus

Centaurea cyanus has many common names including blue bottle, bluet, bachelor's button, cornflower,…

"Tubular corolla, from head of bachelor's button." -Bergen, 1896

Cornflower

"Tubular corolla, from head of bachelor's button." -Bergen, 1896

"Flower-cluster of bachelor's button (Centaurea Cyanus)." -Bergen, 1896

Cornflower

"Flower-cluster of bachelor's button (Centaurea Cyanus)." -Bergen, 1896

"Bachelor's Button. I, vertical section of the receptacle; II, style and forked stigma; III, corolla, united anthers and stigma; IV, pistil; pap, pappus; ak, akene; V, tubular flower cut vertically, showing anther-tube, traversed by the style; l, lobe of corolla." -Bergen, 1896

Cornflower

"Bachelor's Button. I, vertical section of the receptacle; II, style and forked stigma; III, corolla,…

"Bachelor's Button. I, a tubular flower; anth, the united anthers; II, fruit; III, fruit, vertical section; IV, a neutral ray-flower; V, ring of anthers." -Bergen, 1896

Cornflower

"Bachelor's Button. I, a tubular flower; anth, the united anthers; II, fruit; III, fruit, vertical section;…

"Centaurea cyanus. 1. a floret; 2. the anthers; 3. perpendicular section of young fruit; 4. ripe fruit." -Lindley, 1853

Cornflower

"Centaurea cyanus. 1. a floret; 2. the anthers; 3. perpendicular section of young fruit; 4. ripe fruit."…

It is an annual plant growing to 40-90 cm tall, with grey-green branched stems. The leaves are lanceolate, 1-4 cm long. The flowers are most commonly an intense blue colour, produced in flowerheads (capitula) 1.5-3 cm diameter, with a ring of a few large, spreading ray florets surrounding a central cluster of disc florets.

Cornflower

It is an annual plant growing to 40-90 cm tall, with grey-green branched stems. The leaves are lanceolate,…

An illustration of a disk-floret of the cornflower. Centaurea cyanus ('Cornflower, Bachelor's button, Basket flower, Bluebottle, Boutonniere flower, Hurtsickle) is a small annual flowering plant in the family Asteraceae, native to Europe.

Disk-floret of a Cornflower

An illustration of a disk-floret of the cornflower. Centaurea cyanus ('Cornflower, Bachelor's button,…

An illustration of a longitudinal section view of a disk-floret of the cornflower. Centaurea cyanus ('Cornflower, Bachelor's button, Basket flower, Bluebottle, Boutonniere flower, Hurtsickle) is a small annual flowering plant in the family Asteraceae, native to Europe.

Disk-floret of a Cornflower (Longitudinal

An illustration of a longitudinal section view of a disk-floret of the cornflower. Centaurea cyanus…

An illustration of the inflorescence of the cornflower. Centaurea cyanus ('Cornflower, Bachelor's button, Basket flower, Bluebottle, Boutonniere flower, Hurtsickle) is a small annual flowering plant in the family Asteraceae, native to Europe.

Inflorescence of a Cornflower

An illustration of the inflorescence of the cornflower. Centaurea cyanus ('Cornflower, Bachelor's button,…

An illustration of a ray-floret of the cornflower. Centaurea cyanus ('Cornflower, Bachelor's button, Basket flower, Bluebottle, Boutonniere flower, Hurtsickle) is a small annual flowering plant in the family Asteraceae, native to Europe.

Ray-floret of a Cornflower

An illustration of a ray-floret of the cornflower. Centaurea cyanus ('Cornflower, Bachelor's button,…