Transylvanian autumn crocus
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Transylvanian autumn crocus ( Crocus banaticus ) |
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| J.Gay |
The Siebenbürger autumn crocus ( Crocus banaticus ) is a plant from the genus of crocus ( Crocus ).
features
The Transylvanian autumn crocus is a perennial tuber geophyte that reaches heights of 6 to 12 centimeters. The leaves develop only after the flowering period. They are 5 to 7 (rarely up to 10) millimeters wide, bare and have an indistinct longitudinal stripe. The perigone are different. The inner ones are erect, pointed and measure 23 to 30 × 12 to 13 millimeters, the outer ones are spread out, blunt or rounded, pale blue-lilac to purple with darker veins and measure 37 to 50 × 13 to 25 millimeters. The styles are six or more branches and purple or whitish. Crocus banaticus is the only type of crocus in which the anthers are open inwards (front).
The flowering period extends from September to October.
Occurrence
The Transylvanian autumn crocus is found in southeastern Slovakia, in eastern Hungary, in central and western Romania, in northeastern Serbia and in the Ukrainian Carpathians. The species grows on fresh meadows, in deciduous forests and in bushes at altitudes of 130 to 700 meters. In northern Germany it has become wild and possibly naturalized.
use
The Transylvanian autumn crocus is widely used as an ornamental plant for park lawns, groups of trees and rock gardens. The species has been in culture since 1594 at the latest. There are some varieties whose flower color varies from purple to pale lilac blue.
literature
- Eckehart J. Jäger, Friedrich Ebel, Peter Hanelt, Gerd K. Müller (eds.): Rothmaler excursion flora from Germany. Volume 5: Herbaceous ornamental and useful plants . Spectrum Academic Publishing House, Berlin Heidelberg 2008, ISBN 978-3-8274-0918-8 .
Individual evidence
- ↑ Rafaël Govaerts (ed.): Crocus banaticus. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved July 23, 2018.
