Leersia oryzoides

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Leersia oryzoides (L.) Sw.

Poaceae

Life form: grass

Exposure: sun  

Moisture: wet

Arrangement: alternate
Leaves: decidious

Shape: linear

Division: simple

Shape: not specified
Fruit: caryopsis

134B / 229143 

Inflorescence: panicle

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Liliopsida
Subclassis:
Commelinidae
Superordo:
Poanae
Ordo:
Poales

Leersia oryzoides, commonly known as Rice Cut Grass, is a grass.

Naming

Leersia oryzoides was already described and the name validly published by Carl Linnaeus. It was Olof or Olavo Swartz, however, who reclassified it into todays valid botanical systematics .

Taxonomy

Leersia oryzoides is a species in the genus Leersia which contains 9 species and belongs to the family of the Poaceae (Grass Family).

Characteristics

Growth

The grasses have a erect habit and reach heights of 30 to 120 centimetres. The main growing season is in summer.

Leaves

Leersia oryzoides is deciduous. The green, simple leaves are alternate. They are linear with entire margins and parallel venation. The foliage is porous.

Flowers and Fruits

Leersia oryzoides produces panicles of green flowers from July to October.

The grasses produce an abundance of red caryopses from spring to summer.

Root System

The plants produce rhizomes which give rise to vegetative spread.

Distribution

Leersia oryzoides is native to the whole of Europe, Asia, Canada, the whole of the US, South America and the West Indies.

Cultivation

The grasses prefer a sunny situation on wet soil. They prefer soil with a pH between 5,1 and 8,8 and need a soil depth of at least 36 centimetres for good growth. They need a frost-free period of at least 16 weeks. The plants are suited for shallow water and bog gardens, the planting depth is at 10 centimetres.

Classification after Prof. Dr. Sieber

  • aquatic plant

Tolerance of special soil conditions

  • none: soil salinity
  • low: drought
  • medium: anaerobic soil, calcareous soil

Uses

The recommended planting distance is 45 to 60 centimetres, the grasses are best planted in groups of 3 to 10.

Maintenance and Propagation

Propagate by sowing or by division.

Cultivars

Pests and Diseases

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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