Celastrus orbiculatus

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Celastrus orbiculatus Thunb.

Celastraceae

Life form: climber
Usage: ornamental plant

Exposure: sun - Exposure: half shade   5

Moisture: moderately moist

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

Arrangement: alternate
Leaves: decidious

Shape: elliptic

Division: simple

    

Shape: five-stellate
Fruit: not specified

150B / c3d238 

Inflorescence: cyme

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Rosidae
Superordo:
Celastranae
Ordo:
Celastrales

Celastrus orbiculatus is a climber.

Naming

Celastrus orbiculatus was described by Carl Peter Thunberg in 1784. The name is considered as validly published.

Taxonomy

Celastrus orbiculatus is a species in the genus Celastrus which contains approximately 42 to 149 species and belongs to the family of the Celastraceae (Bittersweet Family).

Characteristics

Celastrus orbiculatus - habitus
Celastrus orbiculatus - leaves
Celastrus orbiculatus - flowers
Celastrus orbiculatus - branches
Celastrus orbiculatus - fruits

Growth

The comparatively fast-growing climbers have a columnar habit and form thickets. They reach heights of 12 to 14 metres and spread rapidly. The main growing season is in spring and summer.

Leaves

Celastrus orbiculatus is deciduous. The dark-green, simple leaves are alternate. They are elliptic, crenate and petiolate. They turn an attractive yellow in autumn.

Flowers and Fruits

Celastrus orbiculatus produces cymes of light-green five-stellate flowers from June to August.

From summer to autumn the climbers carry an abundance of ornamental orange fruits.

Root System

The plants form shallow roots.

Distribution

Celastrus orbiculatus is native to China, Manchuria, Japan and Sakhalin and is naturalized in the eastern US.

Cultivation

The climbers prefer a sunny to half-shady situation on moderately moist soil. They prefer sandy-loamy, gritty-loamy or sandy clay soil with a pH between 5 and 7,5. The plants need a soil depth of at least 46 centimetres for good growth. They tolerate temperatures down to -29°C (USDA zone 5) and need a frost-free period of at least 14 weeks.

Classification after Prof. Dr. Sieber

  • open areas

Tolerance of special soil conditions

  • none: soil salinity, anaerobic soil
  • medium: drought, calcareous soil

Uses

The ornamental value of Celastrus orbiculatus lies especially in the attractive autumn aspect and the ornamental leaves. The recommended planting distance is 90 to 180 centimetres. Suited as bird pasture and as plant providing shelter for birds.

Maintenance and Propagation

Propagate by sowing. The seeds require vernalization.

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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