Draba lonchocarpa var. thompsonii

Draba lonchocarpa var. thompsonii 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 lonchocarpa var. thompsonii 11.1 History 11.2 Draba lonchocarpa var. thompsonii 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 lonchocarpa var. thompsonii was already described and the name validly published by Charles Leo Hitchcock. It was not until 1953, however, that Reed Clark Rollins reclassified it into todays valid botanical systematics.

[edit] Taxonomy

Draba lonchocarpa var. thompsonii 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 0,11 meters and develop as mats.

[edit] Wood and Bark

[edit] Leaves

Draba lonchocarpa var. thompsonii is an evergreen plant with simple leaves. The leaves are arranged in rosettes. They are obovate with entire margins.

[edit] Flowers and Fruit

The flowers are cross-shaped and white. The plants bloom from June to July. The flowers are arranged in racemes.

The fruits are [silique]]s.

[edit] Root System

[edit] Distribution

Draba lonchocarpa var. thompsonii is native to Sibiria, Alaska, western Canada, the Northwest of the US, the Rocky Mountains and California.

[edit] Cultivation

Draba lonchocarpa var. thompsonii prefers a sunny site. 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 lonchocarpa var. thompsonii

[edit] History

[edit] Draba lonchocarpa var. thompsonii 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 lonchocarpa var. thompsonii in the File:HP commons leaf writing logo file 6KB.jpg

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• United States Department of Agriculturees:Draba lonchocarpa var. thompsoniifr:Draba lonchocarpa var. thompsonii