Carpathian rockflowers
Carpathian rockflowers | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Carpathian rockflowers ( Draba lasiocarpa ) |
||||||||||||
Systematics | ||||||||||||
|
||||||||||||
Scientific name | ||||||||||||
Draba lasiocarpa | ||||||||||||
Rochel |
The Carpathians Whitlowgrass ( Draba lasiocarpa ), also Raufrüchtiges Felsenblümchen called, is a plant from the genus of Felsenblümchen ( Draba ) in the family of Brassicaceae (Brassicaceae).
description
Vegetative characteristics
The Carpathian rock flower is an evergreen, perennial herbaceous plant and reaches heights of 8 to 20 centimeters. The leathery leaves stand together in dense rosettes, and are up to 2 centimeters long. There are no stem leaves.
Generative characteristics
The flowering period extends from May to June. The racemose inflorescences contain three to twenty flowers. The stalked flowers are hermaphroditic and four-fold. The four yellow petals are 4 to 5 millimeters long. The stylus is 2 millimeters long.
The fruit stalks are 5 to 15 millimeters long. The bristle-haired pods are 6 to 9 millimeters long and pointed at the top.
The number of chromosomes is 2n = 16.
ecology
The Carpathian rock flower belongs to the basic stock of the nival flora and is excellently adapted to extreme locations due to its evergreen, leathery leaves. The flowers, which are preformed in autumn, can also overwinter without protection from snow. Self-pollination is also possible in bad weather. Fruits only ripen in winter. The Carpathian rock flower is therefore one of the so-called winter men .
Occurrence and endangerment
The Carpathian rock flower is very rare in Austria on the eastern edge of the Alps, otherwise in Slovakia , Romania and the Balkan Peninsula . In Austria, the Carpathian rock flower is one of the endangered species.
As a chalk-loving plant, the Carpathian rock flower prefers crevices and rubble up to the alpine level .
swell
Individual evidence
- ↑ Draba lasiocarpa at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
literature
- Xaver Finkenzeller: Alpine flowers. Recognize & determine. Mosaik, Munich 2002, ISBN 3-576-11482-3 .
- Manfred A. Fischer , Wolfgang Adler, Karl Oswald: Excursion flora for Austria, Liechtenstein and South Tyrol. 2nd, improved and enlarged edition. State of Upper Austria, Biology Center of the Upper Austrian State Museums, Linz 2005, ISBN 3-85474-140-5 .