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Centaurea cyanus

Dummer. ゛☀
2017-07-28
Family - Asteraceae
Stems - To 1m tall, tomentose to arachnoid pubescent, herbaceous.

Stems - To 1m tall, tomentose to arachnoid pubescent, herbaceous.



Leaves - Alternate. Cauline leaves linear, entire, arachnoid pubescent, to +10cm long, +5mm wide.
Inflorescence - Single flower head terminating branches.
Involucre - Involucre to 1.5cm tall, imbricate, phyllaries with fimbriate margins.

Ray flowers - Absent.
Disc flowers - Corolla typically blue-purple but other colors in cultivated varieties, marginal flowers sterile. inner flowers smaller, fertile. Achenes to 4mm long. Pappus of capillary bristles.

Flowering - May - September.
Habitat - Prairies, waste ground, roadsides, railroads. Also cultivated.
Origin - Native to Europe.
Other info. - This plant is heavily cultivated and escaped to a variety of locations. The disk flowers can be blue-purple, white, or pink. The plant is commonly used in dried flower arrangements.
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