Vienna squill
| Vienna squill | ||||||||||||
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Vienna squill ( Scilla vindobonensis ) |
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| Scilla vindobonensis | ||||||||||||
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The Vienna squill ( Scilla vindobonensis ), also known as the Viennese squill , is a species of blue star ( Scilla ) within the asparagus family (Asparagaceae).
features
The Vienna squill is a perennial , herbaceous plant that reaches heights of 15 to 20 cm, rarely only 5 cm high. This geophyte forms onions as persistent organs. The young flower buds are light green, the tepals with clear light green central stripes underneath until the beginning of flowering. The stem is often purple-brown.
The cluster consists of 5 to 9, rarely 3 to 20 flowers. The tepals are 6 to 8 mm long and 2 to 2.5 mm wide. The upper side is strong blue with a clearly separated, 1 mm wide, white background. The unripe fruit is dark green. The seeds are light yellow and 2 mm in size when fresh. The flowering time is in March and April.
The species is diploid with 2n = 18.
Occurrence
The natural distribution area includes eastern Germany, Hungary, the Czech Republic, Slovakia, eastern Austria ( Vienna , Lower Austria , Burgenland ), Croatia and Albania.
The Vienna squill grows in hard alluvial forests and in fresh oak-hornbeam forests . It occurs scattered from the colline to the montane elevation .
Systematics
The Vienna squill belongs to the species group Scilla bifolia agg. and is not always of the species Scilla bifolia s. l. severed.
literature
- Manfred A. Fischer , Karl Oswald, Wolfgang Adler: Excursion flora for Austria, Liechtenstein and South Tyrol. 3rd, improved edition. State of Upper Austria, Biology Center of the Upper Austrian State Museums, Linz 2008, ISBN 978-3-85474-187-9 .
