Pointed striped fern

Pointed striped fern
	Pointed Striped Fern ( Asplenium onopteris )
Systematics
	Ferns
Class :	True ferns (Polypodiopsida)
Order :	Spotted ferns (Polypodiales)
Family :	Striped fern family (Aspleniaceae)
Genre :	Striped Ferns ( Asplenium )
Type :	Pointed striped fern
Scientific name
	Asplenium onopteris
	L.

The pointed striped fern ( Asplenium onopteris ) is a species of the genus of the striped fern ( Asplenium ) and belongs to the family of the striped fern family (Aspleniaceae). According to Euro + Med it is classified as a subspecies Asplenium adiantum-nigrum subsp. onopteris (L.) Heufl. of the black-stemmed striped fern .

description

The plant with a red-brown stem reaches a height of 10 to 50 cm. The blades of the fronds are leathery and shiny dark green. In outline they are triangular-egg-shaped and 2-4-fold pinnate. The pinnate ends are elongated (tailed) and curved towards the tip of the blade. The spreading sections are toothed spiky. The sori are arranged near the midribs arranged leaf veins .

The spores ripen from September to June.

The species chromosome number is 2n = 72.

Occurrence

The distribution area includes the entire Mediterranean area and the Canary Islands . Shady rock crevices in forests and bushes are preferred as a location.

literature

Schönfelder: Kosmos Atlas Mediterranean and Canary Islands flora , Stuttgart 2002, ISBN 3-440-09361-1
Hohenester / Welss: Excursion flora for the Canary Islands , Stuttgart 1993, ISBN 3-8001-3466-7

Individual evidence

↑ Christenhusz, M. & Raab-Straube, E. von (2013): Lycopodiophytina. - In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity. Datasheet Asplenium In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
^ Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition. Stuttgart, Verlag Eugen Ulmer, 2001. ISBN 3-8001-3131-5

Web links

Commons : Pointed Striped Fern ( Asplenium onopteris ) - Album with pictures, videos and audio files

Pointed striped fern. In: FloraWeb.de.
Distribution in Switzerland [1]
Distribution in the northern hemisphere according to Eric Hultén

[Euro+Med-1] Christenhusz, M. & Raab-Straube, E. von (2013): Lycopodiophytina. - In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity. Datasheet Asplenium In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.

[Oberdorfer2001-2] Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition. Stuttgart, Verlag Eugen Ulmer, 2001. ISBN 3-8001-3131-5