Akebia quinata

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Akebia quinata Decne.

Lardizabalaceae

Life form: climber
Usage: ornamental plant

Exposure: sun - Exposure: half shade   6

Moisture: moderately moist bis Moisture: moist

Soil: clay - Soil: sandy clay - Soil: loamy clay - Soil: peat

Arrangement: alternate
Leaves: decidious

Shape: obovate

Division: digitate

    

Shape: cup-shaped
Fruit: follicle

V

185C / 8b2c41 

Inflorescence: raceme

Petals: single
Habit: pendant

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Ranunculopsida
Subclassis:
Ranunculidae
Superordo:
Ranunculanae
Ordo:
Lardizabalales

Akebia quinata is a climber.

Naming

Akebia quinata was already described and the name validly published by Maarten Houttuyn. It was Joseph Decaisne, however, who reclassified it into todays valid botanical systematics in 1839.

Taxonomy

Akebia quinata is a species in the genus Akebia which contains approximately 6 to 7 species and belongs to the family of the Lardizabalaceae (Lardizabala Family).

Characteristics

Akebia quinata - habitus
Akebia quinata - leaves
Akebia quinata - flowers
Akebia quinata - fruits

Growth

The comparatively fast-growing and long-lived climbers reach heights of 6 to 10 metres. The plants reach a width of 3 to 4 metres.

Leaves

Akebia quinata is deciduous. The green to dark-green, digitate leaves are alternate. The leaflets are obovate and petiolate. They have entire margins and palmate venation. The surface of the leaves is glabrous. They turn an attractive dark red in autumn.

Flowers and Fruits

Akebia quinata produces racemes of pendant, brownish purple cup-shaped flowers in May. The plants flower on older shoots. They are .

From summer to autumn the climbers produce blue follicles that are both edible and very ornamental.

Root System

The plants form shallow roots.

Distribution

Akebia quinata is native to Japan.

Cultivation

The climbers prefer a sunny to half-shady situation on fresh to moist soil. The substrate should be clay, sandy clay, loamy clay or peaty soil with a pH between 6,5 and 7,5. They tolerate temperatures down to -23°C (USDA zone 6).

Uses

The ornamental value of Akebia quinata lies especially in its fragrance. The recommended planting distance is 1,5 to 2 metres, the climbers are best planted in groups of 3 to 5. Suited for rooftop gardens.

Maintenance and Propagation

The plants need little to no maintenance if grown under suitable conditions.


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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