Bletilla striata

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Bletilla striata (Thunb.) Rchb.f.

Orchidaceae

Life form: perennial
Usage: ornamental plant

Exposure: half shade   5

Moisture: moist

Arrangement: not specified
Leaves: decidious

Shape: lanceolate

Division: simple

Shape: orchid-shaped
Fruit: not specified

74B / 9f1a70 

Inflorescence: raceme

Petals: double
Habit: erect

Growth form: stemless

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Liliopsida
Subclassis:
Liliidae
Superordo:
Lilianae
Ordo:
Orchidales

Bletilla striata is a perennial.

Naming

Bletilla striata was already described and the name validly published by Carl Peter Thunberg. It was Heinrich Gustav Reichenbach, however, who reclassified it into todays valid botanical systematics in 1878.

Taxonomy

Bletilla striata is the type species of the genus Bletilla which contains approximately 5 to 7 species and belongs to the family of the Orchidaceae (Orchid Family).

Characteristics

Growth

The perennials have a stemless growth and reach heights of 20 to 60 centimetres.

Leaves

Bletilla striata is deciduous. The leaves are simple and green. They are lanceolate, entire and petiolate.

Flowers and Fruits

From May to June Bletilla striata produces racemes of erect bright bordeaux flowers that are semi-double and orchid-shaped flowers.


Root System

Distribution

Bletilla striata is native to China, eastern Tibet and Japan. It is a protected species according to the Washington Convention.

Cultivation

The perennials prefer a half-shady situation on moist soil. The substrate should have a pH between 6,5 and 7,5. They tolerate temperatures down to -29°C (USDA zone 5).

Tolerance of special soil conditions

  • none: waterlogging, winter dampness

Uses

The recommended planting distance is 20 to 30 centimetres, the perennials are best planted in groups of 5 to 10.

Maintenance and Propagation

The plants need little to no maintenance if grown under suitable conditions.

  • If possible the plants should not be transplanted.
  • Cut back in autumn.


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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