Ceanothus thyrsiflorus

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Ceanothus thyrsiflorus Eschsch.

Rhamnaceae

Life form: shrub
Usage: ornamental plant

Exposure: sun   8

Moisture: moderately moist bis Moisture: moist

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

Arrangement: alternate
Leaves: evergreen

Shape: ovate

Division: simple

Shape: five-stellate
Fruit: schizocarp

112A / 9ab5dd 

Inflorescence: panicle

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Rosidae
Superordo:
Rhamnanae
Ordo:
Rhamnales

Ceanothus thyrsiflorus is a shrub.

Naming

Ceanothus thyrsiflorus was described by Franz Gerhard Eschweiler. The name is considered as validly published.

Taxonomy

Ceanothus thyrsiflorus is a species in the genus Ceanothus which contains approximately 80 to 115 species and belongs to the family of the Rhamnaceae (Buckthorn Family).

Characteristics

Growth

The shrubs reach heights of 5 to 6 metres.

Wood and Bark

Leaves

Ceanothus thyrsiflorus is evergreen. The dark-green, simple leaves are alternate. They are ovate with dentate margins.

Flowers and Fruits

Ceanothus thyrsiflorus produces panicles of light-blue five-stellate flowers from March to May.

The shrubs produce schizocarps.

Root System

Distribution

Ceanothus thyrsiflorus is native to Oregon and California.

Cultivation

The shrubs prefer a sunny situation on fresh to moist soil. The substrate should be sandy-loamy, gritty-loamy or sandy clay soil. They tolerate temperatures down to -12°C (USDA zone 8).

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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