Draba helleriana var. patens

Draba helleriana var. patens 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 helleriana var. patens 11.1 History 11.2 Draba helleriana var. patens 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 helleriana var. patens was already described and the name validly published by Amos Arthur Heller. It was not until 1927, however, that Otto Eugen Schulz reclassified it into todays valid botanical systematics.

[edit] Taxonomy

Draba helleriana var. patens 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 0,45 meters.

[edit] Wood and Bark

[edit] Leaves

Draba helleriana var. patens is a decidious 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 yellow. The plants bloom from June to September. The flowers are arranged in racemes.

The fruits are [silique]]s.

[edit] Root System

[edit] Distribution

[edit] Cultivation

Draba helleriana var. patens prefers a sunny site. It grows best in sandy-gritty soil that is dry.

[edit] Uses

[edit] Maintenance

[edit] Varities and Cultivars

[edit] Poisonousness

 Please read the health issues note! 

[edit] Pests and Diseases

[edit] Man and Draba helleriana var. patens

[edit] History

[edit] Draba helleriana var. patens 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 helleriana var. patens in the

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• United States Department of Agriculturees:Draba helleriana var. patensfr:Draba helleriana var. patens