Pogonatum
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Pogonatum urnigerum |
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| P.Beauv. |
Pogonatum ,called Filzmützenmoose in German, is a genus of deciduous moss from the family Polytrichaceae . The German name Filzmützenmoos refers to the densely hairy hood (kalyptra) of the spore capsule.
features
Pogonatum species are diocesan . They have a persistent protonema . The medium-sized to vigorous plants are simple or branched. The leaves have a broad, chlorophyll-free sheath at the bottom and a narrower lanceolate spade part above. The leaf vein fills a large part of the leaf blade and is densely covered on the upper side with numerous longitudinal lamellae. The leaf margins are usually serrated or serrated.
The egg-shaped to short-cylindrical spore capsule without a developed pituitary gland (capsule neck) and without stomata has 32 (rarely 16) peristome teeth and a round, beaked lid. The cap- or bell-shaped kalyptra is densely hairy.
Systematics and types (selection)
According to Stech & Frey, 57 species belong to the genus Pogonatum worldwide . The following three types are represented in Germany, Austria and Switzerland:
- Aloe-leaved felt hat moss ( Pogonatum aloides )
- Dwarf felt hat moss ( Pogonatum nanum )
- Large felt hat moss ( Pogonatum urnigerum )
Web links
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- Jan-Peter Frahm , Wolfgang Frey : Moosflora (= UTB . 1250). 4th, revised and expanded edition. Ulmer, Stuttgart 2004, ISBN 3-8252-1250-5 .
- Wolfgang Frey, Michael Stech, Eberhard Fischer: Bryophytes and Seedless Vascular Plants (= Syllabus of Plant Families. 3). 13th edition. Borntraeger, Berlin et al. 2009, ISBN 978-3-443-01063-8 .
- Martin Nebel, Georg Philippi (ed.): The mosses of Baden-Württemberg. Volume 1: General part, special part (Bryophytina I, Andreaeales to Funariales). Ulmer, Stuttgart 2000, ISBN 3-8001-3527-2 .