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Uses

Toxic parts

This plant contains saponins[1]. Saponins are found in many foods, such as some beans, and although they are fairly toxic to people they are poorly absorbed by the body and most pass straight through without any problem. They are also broken down if the food is thoroughly cooked for a long time. Saponins are much more toxic to some creatures, such as fish, and hunting tribes have traditionally put large quantities of them in streams, lakes etc in order to stupefy or kill the fish[K].

Edible uses

There are no edible uses listed for Pittosporum crassifolium.

Material uses

A dark blue dye is obtained from the seeds[2].

The plant is a potential source of saponins. Saponins can be used to as a soap and, because of their bitter taste, they also have potential as a bird deterrent by spraying them over the plants. The bitterness can be easily removed by washing (or by the next rainfall!). Very tolerant of pruning and maritime exposure, this plant can be grown as a protective hedge by the coast in mild maritime areas[3][4][5][6]. The plant has an extensive root system and can be used for binding sandy soils, dunes etc[1].

Wood - very tough. Used for inlay[7][8].

Unknown part

Medicinal uses(Warning!)

There are no medicinal uses listed for Pittosporum crassifolium.

Ecology

Ecosystem niche/layer

Ecological Functions

Hedge


Earth stabiliser

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - sow when ripe in the autumn or in late winter in a warm greenhouse[9][10]. The seed usually germinates freely. Prick out the seedlings into individual pots when they are large enough to handle, move the plants to a cold frame as soon as they are established and plant out late in the following spring[9]. Consider giving them some protection from the cold during their first winter outdoors.

Cuttings of half-ripe wood, 5 - 7cm with a heel, July/August in a frame. Poor to fair percentage[9].

Basal ripewood cuttings late autumn in a cold frame[10].

Practical Plants is currently lacking information on propagation instructions of Pittosporum crassifolium. Help us fill in the blanks! Edit this page to add your knowledge.



Cultivation

Succeeds in any well-drained soil[11][10], including dry soils, preferably in a sunny position[11] but also succeeding in light shade[10]. Plants are very resistant to maritime exposure[3][4][6][10].

This species is not very cold-hardy in Britain, succeeding outdoors only in the milder areas of the country[3]. Plants grow very well on the Scilly Isles but have not been proved on the mainland[4].Other reports say that it grows well in south-western England[3][5]. Very amenable to pruning, plants can be cut right back into old wood if required[10]. The flowers are sweetly scented, they are borne in terminal clusters of either up to 10 males or up to 5 females[12]. Plants only flower freely in mild areas of the country[12]. The species in this genus are very likely to hybridize with other members of the genus[10]. When growing a species from seed it is important to ensure that the seed either comes from a known wild source, or from isolated specimens in cultivation.

Plants in this genus are notably resistant to honey fungus[10].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Pittosporum crassifolium. Do you know of an interaction that should be listed here? edit this page to add it.

Polycultures & Guilds

There are no polycultures listed which include Pittosporum crassifolium.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Pittosporum crassifolium
Genus
Pittosporum
Family
Pittosporaceae
Imported References
Edible uses
Medicinal uses
Material uses & Functions
Botanic
Propagation
Cultivation
Environment
Cultivation
Uses
Edible uses
None listed.
Material uses
None listed.
Medicinal uses
None listed.
Functions & Nature
Functions
Provides forage for
Provides shelter for
Environment
Hardiness Zone
9
Heat Zone
?
Water
moderate
Sun
full sun
Shade
light shade
Soil PH
Soil Texture
Soil Water Retention
Environmental Tolerances
  • Strong wind
  • Maritime exposure
Ecosystems
Native Climate Zones
None listed.
Adapted Climate Zones
None listed.
Native Geographical Range
None listed.
Native Environment
None listed.
Ecosystem Niche
None listed.
Root Zone Tendancy
None listed.
Life
Deciduous or Evergreen
Herbaceous or Woody
Life Cycle
Growth Rate
?
Mature Size
5 x 3 meters
Fertility
Pollinators
?
Flower Colour
?
Flower Type

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References

  1. ? 1.01.11.2 Brooker. S. G., Cambie. R. C. and Cooper. R. C. Economic Native Plants of New Zealand. Oxford University Press ISBN 0-19-558229-2 (1991-00-00)
  2. ? 2.02.1 Buchanan. R. A Weavers Garden. ()
  3. ? 3.03.13.23.33.43.5 Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray (1981-00-00)
  4. ? 4.04.14.24.3 Shepherd. F.W. Hedges and Screens. Royal Horticultural Society. ISBN 0900629649 (1974-00-00)
  5. ? 5.05.15.2 Arnold-Forster. Shrubs for the Milder Counties. ()
  6. ? 6.06.16.2 Rosewarne experimental horticultural station. Shelter Trees and Hedges. Ministry of Agriculture, Fisheries and Food (1984-00-00)
  7. ? 7.07.1 Uphof. J. C. Th. Dictionary of Economic Plants. Weinheim (1959-00-00)
  8. ? 8.08.1 Usher. G. A Dictionary of Plants Used by Man. Constable ISBN 0094579202 (1974-00-00)
  9. ? 9.09.19.2 Sheat. W. G. Propagation of Trees, Shrubs and Conifers. MacMillan and Co (1948-00-00)
  10. ? 10.010.110.210.310.410.510.610.710.8 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
  11. ? 11.011.1 Thomas. G. S. Ornamental Shrubs, Climbers and Bamboos. Murray ISBN 0-7195-5043-2 (1992-00-00)
  12. ? 12.012.1 Grey-Wilson. C. & Matthews. V. Gardening on Walls Collins ISBN 0-00-219220-0 (1983-00-00)
  13. ? Allan. H. H. Flora of New Zealand. Government Printer, Wellington. (1961-00-00)

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