Agrostis exarata

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Agrostis exarata Trin.

Poaceae

Life form: grass

Exposure: sun   4

Moisture: moderately moist

Arrangement: alternate
Leaves: decidious

Shape: linear

Division: simple

Shape: not specified
Fruit: caryopsis

3A / f8da21 

Inflorescence: not specified

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

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

Agrostis exarata is a grass.

Naming

Agrostis exarata was described by Carl Bernhard von Trinius in 1824. The name is considered as validly published.

Taxonomy

Agrostis exarata is a species in the genus Agrostis which contains approximately 239 to 358 species and belongs to the family of the Poaceae (Grass Family).

Characteristics

Growth

The grasses have a erect habit and reach heights of 1,5 to 1 metres. They spread slowly, the main growing season is from spring to fall.

Leaves

Agrostis exarata is deciduous. The dark-green, simple leaves are alternate. They are linear with entire margins and parallel venation. The foliage is porous.

Flowers and Fruits

Agrostis exarata produces yellow flowers from May to June.

The grasses produce only few brown caryopses in summer.

Root System

The plants produce rhizomes which give rise to vegetative spread.

Distribution

Cultivation

The grasses prefer a sunny situation on moderately moist soil. They prefer soil with a pH between 5,5 and 7,5 and need a soil depth of at least 25 centimetres for good growth. They tolerate temperatures down to -35°C (USDA zone 4) and need a frost-free period of at least 13 weeks.

Tolerance of special soil conditions

  • low: soil salinity, drought, calcareous soil
  • medium: anaerobic soil

Uses

Maintenance and Propagation

Propagate by sowing.

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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