Colchicum kurdicum

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Colchicum kurdicum Stef.

Colchicaceae

Life form: bulb or tuber
Usage: ornamental plant

Exposure: sun   8

Moisture: moderately moist

Soil: gritty loam

Arrangement: basal
Leaves: decidious

Shape: lanceolate

Division: simple

Shape: six-stellate
Fruit: septicidal capsule

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Inflorescence: solitary

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

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

Colchicum kurdicum belongs to the group of bulbous and tuberous plants.

Naming

Colchicum kurdicum was already described and the name validly published by Joseph Friedrich Nicolaus Bornmüller. It was Boris Stefanoff, however, who reclassified it into todays valid botanical systematics .

Taxonomy

Colchicum kurdicum is a species in the genus Colchicum which contains approximately 107 to 114 species and belongs to the family of the Colchicaceae (Colchicum Family). The type species of the genus is Colchicum autumnale.

Characteristics

Growth

Leaves

Colchicum kurdicum is deciduous. The simple leaves are basal. They are lanceolate with entire margins and parallel venation.

Flowers and Fruits

Colchicum kurdicum produces solitary white six-stellate flowers.

The plants produce septicidal capsules.

Root System

Distribution

Colchicum kurdicum is native to South Turkey, Iran and Iraq.

Cultivation

The plants prefer a sunny situation on moderately moist soil. The substrate should be gritty-loamy and comparatively rich. They tolerate temperatures down to -12°C (USDA zone 8). Under glass use a mixture of loam, gravel and leaf compost.

Uses

The plants are suited for cultivation in a alpine house. Suited for rockeries.

Maintenance and Propagation

  • Water moderately in summer, do not water in winter.

Propagate by sowing when seeds are ripe or by bulbils in summer.

Cultivars

Poisonousness

Colchicum kurdicum is toxic.

Aeskulap  Please read the health issues note

Pests and Diseases

Rot on leaves, shoots, flowers or fruits indicated an infection with grey mould (botrytis). Remove and destroy affected plants. Apply fungizide. Improve ventilation and hygiene and avoid injuring the plants to prevent infections.

Gnaw marks and slime trails indicate a problem with slugs. Prevent infestation by improving hygiene and by regularly working the soil. In case of an infestation use slug pellets or nematodes to control pest. Handpicking the slug also helps, do this preferably in the evening hours.

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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