Speta squill

Speta squill
Speta squill ( Scilla spetana ) in the Kreuttal
Systematics
Monocots Order : Asparagales (Asparagales) Family : Asparagaceae (Asparagaceae) Subfamily : Scilloideae Genre : Squill ( Scilla ) Type : Speta squill
Scientific name
Scilla spetana
Kereszty

The Speta squill ( Scilla spetana ) is a plant from the genus of the blue star ( Scilla ) in the family of asparagaceae (Asparagaceae).

description

Blossom; A: side view; B: bottom view; C: supervision; D: Top view, ovaries and stamens removed

fruit

Seeds with elaiosome

Vegetative characteristics

The Speta squill is a perennial , herbaceous plant , the plant height of 10 to 20 cm, cm attained in rare cases of only 5 minutes. This geophyte forms onions as persistent organs. Exactly one stem round, green, sometimes slightly purple, and two, in rare cases three grass-green leaves arise from each onion. There are no other leaves as well as cover and front leaves.

Generative characteristics

The flower cluster is largely umbrella-shaped. The free, star-shaped protruding tepals are 10 to 15 mm, sometimes up to 17 mm long and bright light blue to deep cornflower blue and 3 to 4 mm wide. The flower buds as well as the ovary and the six stamens are also blue. The anthers and pollen are burgundy. The 0.7 to 3 mm long stylus gradually merges into the ovary. The seed is dark brown, has a smooth shell and a diameter of 3.5 mm.

ecology

The Speta squill blooms from March to April.

Chromosome number

The species is hexaploid with 2n = 54.

Occurrence

The Speta squill is very rare. Except in Hungary , it occurs only in the Lower Austrian Weinviertel in the Kreuttal . It grows in lowland forests of hill height level .

Systematics

Scilla spetana belongs to the species group Scilla bifolia agg. and is not always of the species Scilla bifolia s. lat. separated, but considered, for example, as a subspecies: Scilla bifolia L. subsp. spetana (Kereszty) Trávn.

literature

• Manfred A. Fischer, Karl Oswald, Wolfgang Adler: Excursion flora for Austria, Liechtenstein and South Tyrol . 3rd, improved edition. Province of Upper Austria, Biology Center of the Upper Austrian State Museums, Linz 2008, ISBN 978-3-85474-187-9 , p. 1074 .

Individual evidence

1. ^ ^{A b c d} Manfred A. Fischer, Karl Oswald, Wolfgang Adler: excursion flora for Austria, Liechtenstein and South Tyrol . 3rd, improved edition. Province of Upper Austria, Biology Center of the Upper Austrian State Museums, Linz 2008, ISBN 978-3-85474-187-9 , p. 1074 .
2. ^ Tropicos. [1]

Web links

Commons : Speta squill ( Scilla bifolia )  - Collection of images