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| Family: |
Pittosporaceae |
| Distribution: |
Rainforests of southern Queensland and northern New South Wales |
| Common Name: |
Diamond pittosporum. |
| Derivation of Name: |
Pittosporum; from Greek, meaning "pitch-seed", referring to the resinous coating on the seeds.
rhombifolium; referring to the rhomboidal shape of the leaves. |
| Conservation Status: |
Not considered to be at risk in the wild. |
General Description:
Pittosporum is a large genus which extends beyond Australia to the warmer regions of Africa, Asia, the Pacific Islands and New Zealand. There are about 9 Australian species occurring in all states. P.rhombifolium is a tree to 25 metres in its natural habitat but usually smaller in cultivation. It has a smooth, grey bark and glossy green foliage with a districtive rhomboid shape. The leaves are about 75 mm long with toothed margins. Small, white, perfumed flowers occur in terminal clusters in summer and are followed by colourful orange berries (5mm dia) in autumn and winter. The berries are carried on the tree for several months and each contains 2-3 black seeds.
The species is well established in cultivation in temperate, sub-tropical and tropical climates where it forms an attractive medium sized tree which is not too large for suburban gardens. It is hardy in fairly rich soils although it will not withstand waterlogged conditions and performs best with ample moisture.
Propagation is usually carried out from seed which germinates readily without treatment. Seedlings may be slow growing for the first few years. Cuttings are also successful.
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Updated: Friday 16 November 2007.
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