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http://en.wikipedia.org/wiki/User:Melburnian |
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Summary
Physical Characteristics
Macadamia_tetraphylla is an evergreen Tree growing to 10 m (32ft) by 10 m (32ft) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 9 and is frost tender. It is in leaf all year. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees. The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Edible Uses
Seed - raw or cooked[2 , 46 , 105 ]. Pleasantly flavoured and nutritious[1 , 61 ], the seed is a little sweeter than the related Macadamia integrifolia and contains a little less oil[301 ]. They can be eaten as a dessert nut and can also be ground into a flour and then mixed with cereal flours to enrich the protein content. The shell is very hard, making it difficult to extract the seed[260 ]. The seed is up to 30mm long and 24mm wide[286 ]. The seed contains up to 72% of a high grade oil[156 , 183 ]. This oil is seldom extracted due to the high value of the seed[63 ].
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
None known
References More on Medicinal Uses
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Other Uses
Agroforestry Uses:
The decomposed husk is commonly used in potting soil[303
].
Other Uses:
Macadamia shells may be used as fuel, generating sufficient energy to dry wet, in-shell nuts[303
].
The oil from the seed is used in cosmetics[307
].
The green seed hulls contain approximately 14% of tannins[303
].
The tree is used as a rootstock for M. Integrifolia[418
].
Special Uses
References More on Other Uses
Cultivation details
Macadamia tetraphylla succeeds in cool tropical or subtropical climates - in Australia they fruit well even when growing at least as far south as Sydney[157
, 335
]. In the tropics the plant fruits best at elevations from 1,000 - 1,500 metres. It grows best in areas where annual daytime temperatures are within the range 14 - 28°c, but can tolerate 8 - 38°c[418
]. When dormant, the plant can survive temperatures down to about -2°c, but young growth can be severely damaged at -1°c[418
]. The plant can survive slight frosts, though cold weather can result in the loss of the entire crop[200
]. It prefers a mean annual rainfall in the range 1,250 - 2,000mm, but tolerates 850 - 3,000mm[418
].
Plants grow best in rich moist but well-drained soils and a position in full sun[117
]. They require copious summer watering in their early stages[167
]. Prefers a pH in the range 5.5 - 7, tolerating 4.5 - 8[418
]. Trees require a sheltered position and are easily damaged by strong winds[117
, 200
].
Plants are slow growing in cultivation, seedlings take 6 - 7 years to produce their first fruit[117
, 167
]. The trees then produce commercial crops for about 40 - 50 years and can fruit for up to 100 years[200
].
There are some named varieties[167
, 183
].
Plants are self-fertile but yield better if cross-pollinated[117
].
Pruning is not normally necessary, but is tolerated if carried out in the autumn[188
].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
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Plant Propagation
Seed - best sown as soon as it is ripe in a nursery bed[188
]. The dehusked seed germinates quickly at 25°c[200
].
Cultivars may be grafted. Side wedge grafting has been used exclusively in Hawaii[303
].
Other Names
If available other names are mentioned here
Queensland Nut, Bopple nut, Mukandania,
Native Range
AUSTRALASIA: Australia, New South Wales (northeast), Queensland (southeast),
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
L.A.S.Johnson.
Botanical References
200
Links / References
For a list of references used on this page please go here
A special thanks to Ken Fern for some of the information used on this page.
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Subject : Macadamia_tetraphylla
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