Centaurea uniflora

{{Short description|Species of flowering plant}}

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|image = Asteraceae - Centaurea uniflora.JPG

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|genus = Centaurea

|species = uniflora

|authority = Turra

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Centaurea uniflora, the singleflower knapweed, is a perennial herbaceous plant belonging to the genus Centaurea of the family Asteraceae.

Description

Centaurea uniflora reaches a height of 40–50 cm. It is densely covered with short rough hair. The stem is erect, leafy and has only one showy purplish-pink flower. The green-gray leaves are dotted, narrowly lanceolate and smaller than one centimeter. The flowering period extends from July to September. The achenes are grayish brown.

|File:Asteraceae - Centaurea uniflora-1.JPGFile:Asteraceae - Centaurea uniflora-3.JPGFile:Asteraceae - Centaurea uniflora-2.JPGFile:0 Centaurea uniflora - Centaurée à un capitule.JPG

Distribution

Habitat

This alpine plant occurs in the mountainous areas of the south-east Europe at altitudes above 1500 m, on warm, dry and nutrient-rich soils found in meadows and hillsides.

Subspecies

  • Centaurea uniflora subsp. davidovii (Urum.) Dostál
  • Centaurea uniflora subsp. ferdinandi (Gren.) Bonnier
  • Centaurea uniflora subsp. nervosa (Willd.) Bonnier et Layens
  • Centaurea uniflora subsp. uniflora

References

  • [https://web.archive.org/web/20120902193355/http://zipcodezoo.com/Plants/C/Centaurea_uniflora/ Centaurea uniflora]
  • Pignatti S. - Flora d'Italia (3 vol.) - Edagricole – 1982