Bidens cosmoides

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Bidens cosmoides (A.Gray) Sherff

Asteraceae

Life form: climber

Exposure: sun  

Moisture: moist

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

Arrangement: opposite
Leaves: decidious

Shape: lanceolate

Division: imparipinnate

Shape: many-stellate
Fruit: achene

3A / f8da21 

Inflorescence: solitary

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Asteridae
Superordo:
Asteranae
Ordo:
Asterales

Bidens cosmoides, commonly known as cosmosflower beggarticks, is a climber.

Naming

Bidens cosmoides was already described and the name validly published by Asa Gray. It was Earl Edward Sherff, however, who reclassified it into todays valid botanical systematics in 1920.

Taxonomy

Bidens cosmoides is a species in the genus Bidens which contains approximately 276 to 334 species and belongs to the family of the Asteraceae (Aster Family). The type species of the genus is Bidens tripartita.

Characteristics

Bidens cosmoides - habitus

Growth

The climbers reach heights of 90 to 250 centimetres.

Leaves

Bidens cosmoides is deciduous. The imparipinnate leaves are opposite. The leaflets are lanceolate.

Flowers and Fruits

Bidens cosmoides produces solitary yellow many-stellate flowers.

The climbers produce achenes.

Root System

Distribution

Cultivation

The climbers prefer a sunny situation on moist soil. The substrate should be sandy-loamy, gritty-loamy or sandy clay soil.

Uses

Maintenance and Propagation

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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