Pterigynandrum
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Pterigynandrum ( twisted moss ) is a genus of deciduous moss from the family Pterigynandraceae .
features
The plants form green to yellow-green, prostrate to drooping, smooth lawns. The trunks are irregularly branched, the branches slender and catkin-shaped leaves. Pseudoparaphyllia are thread-like and sparse or absent. The closely spaced, upright to one-sided leaves are elliptical and blunt to pointed, the leaf margins bent back below and sawn above, the short vein double or single. The lamina cells are elongated, diamond-shaped, usually thick-walled and covered with papillae on the underside. Leaf-wing cells are small and sub-square.
The sporophyte has an upright, cylindrical capsule with a double, short peristome and a cap-shaped kalyptra .
distribution
The genus is boreal-montane distributed in the northern hemisphere.
Of the genus that consists of two species worldwide, only Pterigynandrum filiforme occurs in Europe .
swell
- 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 2: Special part, (Bryophytina II, Schistostegales to Hypnobryales). Ulmer, Stuttgart 2001, ISBN 3-8001-3530-2 .
