Billardiera heterophylla

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Billardiera heterophylla (Lindl.) L.W.Cayzer & Crisp

Pittosporaceae

Life form: climber
Usage: ornamental plant

Exposure: sun - Exposure: half shade   10

Moisture: moderately moist bis Moisture: moist

Soil: sandy loam

Arrangement: alternate
Leaves: evergreen

Shape: lanceolate

Division: simple

Shape: campanulate
Fruit: berry

94C / 5a57bd 

Inflorescence: cyme

Petals: single
Habit: pendant

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Cornidae
Superordo:
Aralianae
Ordo:
Pittosporales

Billardiera heterophylla is a climber.

Naming

Billardiera heterophylla was already described by John Lindley as Sollya heterophylla. In 2004 Lindy Cayzer and Micheal Douglas Crisp reclassified it under it's current name into todays valid botanical systematics.

Taxonomy

Billardiera heterophylla is a species in the genus Billardiera which contains approximately 25 to 33 species and belongs to the family of the Pittosporaceae (Pittosporum Family).

Characteristics

Billardiera heterophylla - flowers
B. heterophylla

Growth

The plants are twining climbers and reach heights of up to 1,8 metres. Without a suitable climing aid they develop as small shrubs growing up to 1 metre tall.

Leaves

Billardiera heterophylla is an evergreen plant with simple, alternate leaves. Young leaves are trilobate to tripartite, later they are glossy mid-green, lanceloate to linear with slightly undulate margins.

Flowers and Fruit

The flowers are bell-shaped and blue. They are arranged in cymes and appear in summer and autumn.

The berries are purplish black.

Distribution

Billardiera heterophylla is native to West Australia and is considered a weed in some regions of Southeast Australia.

Cultivation

Billardiera heterophylla prefers a sunny to half shady site and only tolerates temperatures above 1°C (USDA zone 10). The plants grow best in sandy, loamy soil that is moderately moist to moist and well drained. When grown under glass they should be placed in a brigth spot with shelter from hot midday sun.

Uses

Well suited for patios and mediterranean themed plantings in frostfree regions. In colder climates teh plants can only be cultivated under glass but may be put outside in summer.

Maintenance and Propagation

Water moderately during growth and apply liquid fertilizer once a month. Water less in winter and do not fertilize.

Propagate by sowing in spring at 10 to 16°C. Take softwood cuttings in late spring and early summer.

Varities and Cultivars

Selection has produced cultivars with white and pink flowers.

Pests and Diseases

Generally trouble free, spider mites might be a problem under glass.

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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