Tuscan crocus
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Tuscan crocus ( Crocus etruscus ) |
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The Tuscan crocus ( Crocus etruscus ) or Rose Crocus is a plant from the genus of crocus ( Crocus ) in the family of the Iridaceae (Iridaceae).
features
The Tuscan crocus is a perennial tuber geophyte that reaches heights of 8 to 12 centimeters. The tuber shell is coarsely fibrous. At flowering time, the leaves are 5 to 6 millimeters wide and longer than the flowers. The throat is hairy. Only the outer bract around the perigone is present. The outer perigone measure 33 to 37 × 7 to 9 millimeters and are purple with darker stripes on the outside.
The flowering period extends from February to March.
The number of chromosomes is 2n = 8 or 16.
Occurrence
The Tuscan crocus occurs in Italy in Tuscany and Elba. The species grows in maquis at altitudes of 100 to 1000 meters.
use
The Tuscan crocus is rarely used as an ornamental plant in borders and rock gardens. The species has been in culture since 1875 at the latest.
supporting documents
- 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
Web links
- Thomas Meyer: Data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )
- Crocus etruscus inthe IUCN 2013 Red List of Threatened Species . Posted by: Carta, A. & Peruzzi, L., 2010. Retrieved September 15, 2013.