Centaurea uniflora

Centaurea uniflora, common names: Singleflower Knapweed, is a perennial herbaceous plant belonging to the genus Centaurea of the family Asteraceae.

Centaurea uniflora
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Centaurea
Species:
C. uniflora
Binomial name
Centaurea uniflora
Turra

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.

Flower of Centaurea uniflora
Flower of Centaurea uniflora
Leaves of Centaurea uniflora
Flower of Centaurea uniflora

Distribution

Centaurea uniflora is distributed in Austria, Albania, Bulgaria, Montenegro, France, Greece, Italy, Hungary, North Macedonia, Romania, Slovenia, Serbia and Switzerland.

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
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