Crocus flavus
Crocus flavus subsp. flavus
The gold crocus (Crocus flavus ) is a plant of the genus Crocus (Crocus ).
Features
The gold crocus is a perennial tuber Geophyt, achieved the stature heights between 5 and 12 centimeters. The Knoll sheath is membranous - parallelfaserig. It has the base no closed rings. The remain -leaves preserved and form a long, brown neck to the tuber. The 4-8 leaves 2-4 mm wide and sometimes covered with a fluff from hair. The upper bract is linear. It is surrounded by a lot wider lower bract. The 1-4 (rarely to 7) flowers are golden yellow or rarely pale lemon yellow and fragrant. The Perigonzipfel measure 20 to 35 (rarely over 15 ) × 6-12 (rarely over 4 ) mm. Your exterior is striped every now and then brownish. The anthers are arrow-shaped.
The flowering period extends from March to April.
Occurrence
The gold crocus occurs in Serbia, northern Greece, Bulgaria, Romania and South - western Turkey. The species grows in open tree and shrub meadows and on dry grassland at altitudes 0-1200 meters.
There are three subspecies:
- Crocus flavus subsp. flavus
- Crocus flavus subsp. dissectus Baytop T. & B. Mathew
- Crocus flavus subsp. sarichinarensis Rukšans
Use
The gold crocus is widely used as an ornamental plant for borders, rock gardens and lawns. The species is in cultivation since at least 1579. At present, the wild type is rarely planted.
Crocus flavus subsp. flavus
Bud
Side view of flower
Close up of flower
(. Synonyms: C. × luteus Lam, ' Dutch Yellow', ' Yellow Giant ', ' Yellow Mammoth ' ) In the meantime, only the sterile hybrids with Crocus angustifolius is almost grown. This has been known since the beginning of the 17th century and has larger, solid orange blossoms.
Side view of flower
Close up of flower
Other rare varieties are ' Sulphureus concolor ' with bright yellow flowers and C. stellaris × hort. (another hybrid with Crocus angustifolius ) with schwarzgestreiftem on the outside of perianth.
Documents
- Corner Hardt J. Hunter, Friedrich Ebel, Peter Hanelt, Gerd Müller K. (ed.): Rothmaler Exkursionsflora of Germany. Volume 5: Herbaceous ornamental and useful plants. Spektrum Akademischer Verlag, Berlin Heidelberg 2008, ISBN 978-3-8274-0918-8.