20
Feb
2009
Pittosporum tobira
Trees and shrubs | Magnoliopsida

Scientific name - Pittosporum tobira

Synonyms --

Popular names - English: tobira, mock orange, Australian Laurel, Japan: Tober, tobira.

Distribution and Habitat - originating in China and Japan.

Description - shrub 4 m high, dense crown. Bark brown, rough. Leaves persistent, coriacee, simple, language spatulate, entire edge, top round, the obovata, central rib obvious, and glossy dark green upper side, more open bottom, glabra, arranged in vertical false. Umbela blossom. Flowers hermaphrodite, scented (like orange flowers); Corola 5 free petals, 2.5 cm diameter. Fruit capsule flashy, triangular, subsferica, 1-2 cm diameter, green. Seeds covered by a mucilaginous layer red-orange.

Growth rate - fast.
Tolerances - Minimum tempratura supported -10 °C. It should be protected from winds from the north. Tolerate short periods of drought. Resist well to marine aerosols.
Requirements - souluri prefer well drained, humus rich, moist, in sunny or semi-shady exhibitions. Does not require any cutting, the crown is fairly uniform.
Management --

Propagation - by semi-lignificati seedlings.

Diseases and pests --
Partners garden - Ligustrum lucidum, Viburnum tinus, Photinia x Fraser.
Cultivars - 'variegatum' - 1.5 m high, leaves 10-15 cm long, obovata, green with white edges. 'Wheeler's Dwarf' - grows very slowly, very compact crown, dense. Grow on alkaline soils;
Properties and Uses - plant oras. Can be used for hedges.

Curiosity - Pittosporum tobira was introwent to England in 1804, in Canton, China, by William Kerr, botanical collector for Kew Garden.

References

James R. Cothran - Gardens and Historic Plants of the Antebellum - University of South Carolina Press, 2003

Marie Harrison - Groundcovers for the South - Pineapple Press, 2006

Ran Levy-Yamamori, Gerard Taaffe - Garden Plants of Japan - Timber Press, 2004

Ronald Houtman, Royal Boskoop Horticultural Society Staff - Variegated Trees and Shrubs - Timber Press, 2004

W. Arthur Whistler - Tropical Ornamentals - Timber Press, 2000

 

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