Asplenium marinum
Sea - Spleenwort ( Asplenium marinum )
The sea - Spleenwort ( Asplenium marinum L. ) is a species of the genus the stripes ferns ( Asplenium ) and is one of the Streifenfarngewächsen ( Aspleniaceae ).
Description
The sea - Spleenwort is a strong and hardy plant. The rhizome is staffed wrong and with linear- lanceolate, light to dark chestnut- brown scales with thread-like tip. The evergreen, standing in loose rosettes fronds 6 to 40 ( to 58) cm long. The brush handle is reddish brown and about half as long as the leaf blade. The reddish-brown, green leaf at the top spindle is winged green. The Wedelspreite is simply pinnate to pinnatisect of 6 to 20 (up to 40 ) sections per side, in outline, linear- lanceolate, coriaceous and glabrous. The Fiederabschnitte are 1-4 cm long, ovate to oblong, crenate -serrate, with short- stalked, sitting or running down, trimmed or broadly wedge-shaped and asymmetrical base and rounded tips.
The Fiederabschnitt are (two to ) six to twelve ( or eighteen ) elongated, usually completely separate, 3-5 mm long Sori available with ganzrandigem indusium. The egg-shaped spores measure (23 to ) 27 to 32 microns (up to 38) in diameter. The sea - Spleenwort sporulated from March to November.
The chromosome number is 2n = 72
Occurrence
The sea - Spleenwort comes in Macaronesia, before the Western European Atlantic coast and in the western Mediterranean. Specifically, he is above on each of all the main islands of the Canaries (except Lanzarote), the Selvagens, Madeira and the Azores, and is at the continental Atlantic coast from the middle of Morocco on Portugal, Spain and France to the UK (mainly using on the west coast, the North Sea southwards to Yorkshire ), Ireland and Norway, in the Mediterranean of the coasts of Catalonia, the Balearic Islands, southern France, Corsica, northern Sardinia, the Tuscan Archipelago, the Monte Circeo in Lazio, Malta and Pantelleria and in Morocco, Algeria, and on spread to Tunisia belonging archipelago of La Galite. Furthermore, there are old, unconfirmed information from the environment of the southern Italian city of Taranto and Cape Verde.
As the site shadowy cliffs, cave entrances and old walls are colonized, which are exposed to sea spray.
Taxonomy
The sea - Spleenwort was first published in 1753 by Carl Linnaeus in Species Plantarum.