Potamogeton lucens

Reflecting pondweed ( Potamogeton lucens )

The Specular pondweed ( Potamogeton lucens ), also called Shining Pondweed, a flood water plant from the family of pondweed plants is ( Potamogetonaceae ).

Description

The Specular pondweed is a perennial submerged plant with branched underground rhizome.

The leaves are alternate. The leaves, which always remain submerged, have a quick winged stem and are oblong ovate and pointed ( linear ). Its length is up to 30 cm, the width up to 4.5 cm. The main leaf veins run from the leaf base to the arched tip that Quernervatur other hand, is very tender. The leaves are slightly transparent and the surface is glossy. The leaf margins are finely toothed and rough. They have small stipules, which are formed into narrow cuticle and whose base includes the stems.

The allseitswendige flower Nourish, whose flowers consist of four stamens and carpels, rises in the heyday of the water. Pollination is accomplished by the wind. The flowers are kronblattlos. To protect the reproductive organs, however, develop greenish yellow appendages that resemble a four-leaf flower crown to the connectives of the anthers.

The single-seeded fruits are nutlets dull keeled, forming a collection drupe.

The chromosome number is 2n = 52

Dissemination

The Specular pondweed grows in nutrient-rich, standing or slow- flowing waters of the tropical zone of East Asia and of the meridional to the boreal zone of Europe and Western Asia at depths of about 1.5 m to 3.0 m.

Swell

• Rudolf Schubert, Klaus Werner, Hermann Meusel (ed.): Exkursionsflora the territories of the GDR and the FRG. Founded by Werner Roth painter. 13th edition. Volume 2: vascular plants, people and knowledge, Berlin, 1987, ISBN 3-06-012539-2.
• Werner Roth painter ( Lim. ), Rudolf Schubert, Eckhart J. Jäger, Klaus Werner ( eds.): Exkursionsflora the territories of the GDR and the FRG. Volume 3: Atlas of the vascular plants. 6th edition, Volk und Wissen, Berlin, 1987, ISBN 3-06-012536-8.
• Jindřich Krejča: From our Nature: Plants, rocks, minerals, fossils. ( from Slovak translated by IRMTRAUD Punch, Punch Oskar ). German Agriculture Verlag, Berlin 1978.
• Robert Zander ( Lim. ), Fritz Encke, Günther Buchheim, Siegmund Seybold: Dictionary of Plant Names. 12th edition. German Agriculture Verlag, Berlin 1980.