Draba rigida var. bryoides

Draba rigida var. bryoides (= Draba bryoides) is a perennial.

Contents 1 Naming 2 Taxonomy 3 Characteristics 3.1 Growth 3.2 Wood and Bark 3.3 Leaves 3.4 Flowers and Fruit 3.5 Root System 4 Distribution 5 Cultivation 6 Uses 7 Maintenance 8 Varities and Cultivars 9 Poisonousness 10 Pests and Diseases 11 Man and Draba rigida var. bryoides 11.1 History 11.2 Draba rigida var. bryoides in art 11.3 Symbolism 11.4 Superstition 12 See also 13 References 13.1 Literature 13.2 Footnotes 14 Non-commercial Links

[edit] Naming

Draba rigida var. bryoides was already described and the name validly published by Augustin Pyramus de Candolle. It was not until some time later, however, that Pierre Edmond Boissier reclassified it into todays valid botanical systematics.

[edit] Taxonomy

Draba rigida var. bryoides is a variety in the genus Draba (whitlow grass) which contains 300 species and belongs to the family of the Brassicaceae (Mustard Family).

[edit] Characteristics

[edit] Growth

The perennials grow to a height of approximately 0,03 meters and develop into mounds or cushions.

[edit] Wood and Bark

[edit] Leaves

Draba rigida var. bryoides is an evergreen plant with simple leaves. The leaves are arranged in rosettes. They are dark green and obovate with entire margins.

[edit] Flowers and Fruit

The flowers are cross-shaped and yellow. The plants bloom from April to May. The flowers are arranged in racemes.

The fruits are [silique]]s.

[edit] Root System

[edit] Distribution

Draba rigida var. bryoides is native to the Caucasus and Turkey.

[edit] Cultivation

Draba rigida var. bryoides prefers a sunny site and can withstand temperatures down to -17,7º C. It grows best in sandy-gritty soil that is dry.

[edit] Uses

[edit] Maintenance

[edit] Varities and Cultivars

[edit] Poisonousness

Aeskulap  Please read the health issues note! 

[edit] Pests and Diseases

[edit] Man and Draba rigida var. bryoides

[edit] History

[edit] Draba rigida var. bryoides in art

[edit] Symbolism

[edit] Superstition

[edit] See also

[edit] References

[edit] 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.
• efloras.org

[edit] Footnotes

[edit] Non-commercial Links

More pictures of Draba rigida var. bryoides in the File:HP commons leaf writing logo file 6KB.jpg

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• United States Department of Agriculturees:Draba rigida var. bryoidesfr:Draba rigida var. bryoides