Sempervivum ciliosum
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Sempervivum ciliosum |
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| Craib |
Sempervivum ciliosum is a species of houseleek ( Sempervivum ) in the thick-leaf family(Crassulaceae).
description
Vegetative characteristics
Sempervivum ciliosum grows as a depressed, spherical, closed or half-open rosette plant with a diameter of 2 to 5 centimeters. Their slender runners are up to 13 centimeters long. The brick-like, oblong lanceolate to oblong obscure lanceolate, light green to reddish or reddish brown leaves are convex on both sides. The leaf blade is 7 to 10 millimeters (rarely up to 25 millimeters) long and 3 to 4 millimeters (rarely up to 6 millimeters) wide. It is pointed to pointed and strongly curved inwards. On the edge of the leaf there are rather stiff, spread out eyelashes up to 4 millimeters long , which become longer towards the tip and are interwoven with the eyelashes of the neighboring leaves.
Generative characteristics
The upright flowering shoot reaches a length of 4 to 10 centimeters. It has leaves that are slightly wider than those of the leaf rosette . The inflorescence consists of compact zymem with three forked coils. The 9 to 14-fold flowers have a diameter of 1.6 to 2.5 centimeters. Their sepals are fused together over a length of 3.5 millimeters. They are pointed, reddish brown, occasionally purple at the tip and are 5 to 7 millimeters long. The linear-lanceolate, pointed to pointed, yellow petals are completely glandular-downy hairy. The stylus is up to 4 centimeters long and bare. The yellowish nectar flakes are round and square.
genetics
The number of chromosomes is .
Systematics and distribution
Sempervivum ciliosum is common in the south of the Balkans .
The first description by William Grant Craib was published in 1914.
The following subspecies are distinguished:
- Sempervivum ciliosum subsp. ciliosum
- Sempervivum ciliosum subsp. octopodes (Turrill) Zonn. ; it occurs only in southwest Macedonia (near Debar).
proof
literature
- Henk 't Hart, Bert Bleij, Ben Zonneveld: Sempervivum ciliosum . In: Urs Eggli (Hrsg.): Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3998-7 , pp. 353 .
Individual evidence
- ^ Bulletin of Miscellaneous Information . Royal Gardens, Kew 1914, p. 379 ( online )
- ↑ Jaakko Jalas, Juha Suominen, Raino Lampinen, Arto Kurtto: Atlas florae europaeae . Volume 12 (Resedaceae to Platanaceae). Page 53, Helsinki 1999. ISBN 951-9108-12-2
Web links
- Photo of Sempervivum ciliosum