Glyceria maxima (Hartm.) Holmberg

Graminae

Synonyms

Glyceria spectabilis Mert et Koch, G. aquatica (L.) Wahlemb.

Common names

Reed sweet-grass (English), Glycérie aquatique (French), Wasser schwaden (German).

Description

Perennial plants, big size, hairless, cespitous. Stems erect, 100 - 250 cm high. Blade folded when young. Blade large (10 - 18 mm), flat, a little bit rough. Ligule short (3 - 6 mm), truncate and pointed in the middle. Spikelets 4 - 9 flowered, 6 - 12 mm long, compressed on the side. The weight of 1000 seeds is about 1.2 g (average seeds). Chromosome number: 2n = 60.

Temperature

Large climate range.

Soil

Optimum on very wet or boggy soils, on riversides. Optimum on alluvial or peat soils, nutrient-rich but large range. It tolerates strongly acid soils.

Distribution

Native to Europe, except its SW part, and mediane Asia. From the lowlands up to high elevations in mountain areas.

References