Arabis alpina subsp. caucasica

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Arabis alpina subsp. caucasica Willd.

Brassicaceae

Life form: perennial
Usage: ornamental plant

Exposure: sun   4

Moisture: dry bis Moisture: moderately moist

Soil: sandy loam - Soil: gritty loam - Soil: sandy clay - Soil: loamy clay

Arrangement: alternate
Leaves: evergreen

Shape: obovate

Division: simple

Shape: cruciform
Fruit: silique

N999D / ffffff 

Inflorescence: raceme

Petals: single
Habit: erect

Growth form: mat-forming

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Dilleniidae
Superordo:
Violanae
Ordo:
Capparales

Arabis alpina subsp. caucasica is a perennial.

Naming

Arabis alpina subsp. caucasica was already described and the name validly published by Carl Ludwig von Willdenow. It was John Isaac Briquet, however, who reclassified it into todays valid botanical systematics in 1913.

Taxonomy

Arabis alpina subsp. caucasica is a subspecies in the genus Arabis which contains approximately 124 to 330 species and belongs to the family of the Brassicaceae (Mustard Family).

Characteristics

Arabis alpina subsp. caucasica - habitus
Arabis alpina subsp. caucasica - flowers

Growth

The perennials have a mat-forming habit and reach heights of 15 to 20 centimetres. The plants reach a width of 30 to 60 centimetres.

Leaves

Arabis alpina subsp. caucasica is evergreen. The glaucous, simple leaves are alternate. They are obovate and sessile with dentate margins and arcuate venation.

Flowers and Fruits

Arabis alpina subsp. caucasica produces racemes of erect, white cruciform flowers from March to April.

In summer the perennials carry siliques.

Root System

Distribution

Arabis alpina subsp. caucasica is native to Southern Europe.

Cultivation

The perennials prefer a sunny situation on dry to moderately moist soil. The substrate should be sandy-loamy, gritty-loamy, sandy clay or loamy clay soil with a pH between 8 and 10. They tolerate temperatures down to -35°C (USDA zone 4).

Classification after Prof. Dr. Sieber

  • rockeries

Tolerance of special soil conditions

  • none: drought

Uses

The ornamental value of Arabis alpina subsp. caucasica lies especially in its fragrance. The recommended planting distance is 20 centimetres. Suited for rockeries and for beds and borders, as well as suited as groundcover and as cut flowers.

Maintenance and Propagation

The plants usually require only a moderate amount of maintenance.

  • Cut back after flowering.

Propagation

  • Sowing
  • Cuttings
  • 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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