Ordinary stone immortelle

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Ordinary stone immortelle
Phagnalon rupestre 2.jpg

Common stone immortelle ( Phagnalon rupestre )

Systematics
Order : Astern-like (Asterales)
Family : Daisy family (Asteraceae)
Subfamily : Asteroideae
Tribe : Gnaphalieae
Genre : Phagnalon
Type : Ordinary stone immortelle
Scientific name
Phagnalon rupestre
( L. ) DC.

The Ordinary Steinimmortelle ( Phagnalon rupestre ) is a plant from the family of the daisy family (Asteraceae).

features

The Ordinary Steinimmortelle is a small shrub reached, the plant height of 15 to 50 centimeters. The branches are dense white felted. The 1 to 4 centimeters long leaves are narrowly ovate-lanceolate. The lower leaves narrow at the base, while the upper leaves have a wider base. The leaf margin is weakly serrated, wavy and more or less rolled up. The upper side of the leaf is thin, cobweby and dark green, while the underside is thickly white felt. The heads are single, long-stalked and about 1 centimeter in diameter. The tubular flowers are yellow, their bracts glabrous, membranous, brownish and tightly pressed. While the outer ones are blunt and ovate to triangular, the middle bracts do not have a wavy edge.

The flowering period extends from March to July.

Common stone immortelle ( Phagnalon rupestre ) in Cyprus

Occurrence

The common stone immortelle occurs in the Mediterranean area , on the Canary Islands and in Southwest Asia. The species grows in rock corridors and garigues .

Systematics

One can distinguish several subspecies:

  • Phagnalon rupestre subsp. graecum (Boiss. & Heldr.) Batt. (Syn .: Phagnalon graecum Boiss. & Heldr. ): It occurs on Menorca, in Sicily, Malta, Libya, on the Balkan Peninsula, in Cyprus, Crete, in the Aegean Sea and in Turkey. The chromosome number is 2n = 18.
  • Phagnalon rupestre subsp. illyricum (H. Lindb.) Ginzb. (Syn .: Phagnalon rupestre subsp. Annoticum (Burnat) Pignatti ): The number of chromosomes is 2n = 18.
  • Phagnalon rupestre subsp. morisianum (Ces. & al.) Arcang. : It only occurs in Sardinia.
  • Phagnalon rupestre (L.) DC. subsp. rupestre : It occurs in Tunisia, Libya, Egypt, the Sinai Peninsula, Jordan, Israel, Lebanon, Syria, Turkey and Cyprus. The chromosome number is 2n = 18.

supporting documents

  1. ↑ a b c d Peter Schönfelder , Ingrid Schönfelder: What blooms on the Mediterranean? (=  Kosmos nature guide ). 1st edition. Franckh, Stuttgart 1987, ISBN 3-440-05790-9 , pp. 108 .
  2. ↑ a b c Werner Greuter (2006+): Compositae (pro parte majore). - In: W. Greuter & E. von Raab-Straube (eds.): Compositae. Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity. Datasheet Phagnalon rupestre In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
  3. ↑ a b c Phagnalon rupestre at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
  4. ^ Phagnalon in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved March 1, 2018.

Web links

Commons : Phagnalon rupestre  - collection of images, videos and audio files
  • Thomas Meyer, Michael Hassler: Mediterranean and Alpine flora. [1]