Centaurea incompta
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Centaurea incompta in the natural habitat below the Jastrebica ridge in Orjen |
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Centaurea incompta is a plant from the genus of knapweed ( Centaurea ) in the family of Compositae (Asteraceae). It occurs only in western and southern Montenegro and in neighboring countries in Croatia and Bosnia and Herzegovina .
description
Vegetative characteristics
Centaurea incompta is a perennial herbaceous plant that reaches stature heights of about 50 centimeters. It forms a vertical rhizome . The stem is erect and stiff, angular, partly woolly hairy and moderately richly branched from the middle.
The stalked lower leaves are lyre-shaped and pinnately split. The egg-shaped leaf blades are two to three columns with a pointed upper end. The seated lanceolate to ovate-lanceolate stem leaves are also lyre-shaped and pinnately fissured, the uppermost whole and ovate-lanceolate. The leaves are green.
Generative characteristics
The flowering period extends from July to August. The cup-shaped inflorescence is egg-shaped with a length of about 1.4 centimeters and a width of about 1.1 centimeters. The many bracts are prickly. The flower head contains many purple tubular flowers .
The black smooth achenes are 3 millimeters long. The white pappus is 2 millimeters long and two rows.
Chromosome number
The number of chromosomes is 2n = 18 or 38.
Occurrence
Centaurea incompta has its main distribution in western and southern Montenegro and is also found in the neighboring countries in Croatia and Bosnia and Herzegovina. It inhabits the sub-Adriatic South Dinaride limestone cliffs and is associated with the Neumayer jug fruit ( Amphoricarpos neumayerianus ) and Clinopodium thymifolium . It grows at altitudes of 600 to 1600 meters.
Individual evidence
- ↑ a b c August von Hayek: The Centaurea species Austria-Hungary. In: Memoranda of the Vienna Academy. Volume 70, Carl Gerold's Sohn, 1900. Here p. 664 (PDF, but this page is not visible) scanned at biodiversitylibrary.org (Latin description)
- ^ Centaurea incompta at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis