Lactuca alpestris
Lactuca alpestris | ||||||||||||
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![]() Lactuca alpestris |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Lactuca alpestris | ||||||||||||
( Gand. ) Rech.f. |
Lactuca alpestris is a species of the genus Lactuca in the sunflower family (Asteraceae). Synonyms are Scariola alpestris (Gand.) Holub and Lactuca viminea subsp. alpestris (Gand.) Feráková .
features
Lactuca alpestris is a perennial stem hemicryptophyte that reaches heights of growth of 5 to 25, rarely up to 40 centimeters. The rhizome is many-headed and thick. The stem is prostrate. In the upper area it is sparse and its branches are not extended. The leaves run down briefly. The fruits are 7 to 8 millimeters in size, the beak 1 to 1.5 millimeters.
The flowering period extends from June to October.
The number of chromosomes is 2n = 18.
Occurrence
Lactuca alpestris is endemic to Crete . The species grows in Phrygana , scree slopes and hedgehog cushion heaths at altitudes of rarely from 100, mostly 900 to 2300 meters.
supporting documents
- ↑ Werner Greuter : Compositae (pro parte majore): Lactuca alpestris . In: Werner Greuter, Eckhard von Raab-Straube (ed.): Compositae. Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity. Berlin 2006–2009.
- ↑ a b c Ralf Jahn, Peter Schönfelder: Excursion flora for Crete . With contributions by Alfred Mayer and Martin Scheuerer. Eugen Ulmer, Stuttgart (Hohenheim) 1995, ISBN 3-8001-3478-0 , p. 337 .
- ↑ Lactuca viminea subsp. alpestris at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis