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Pandanus julianettii - Martelli

Common Name Karuka
Family Pandanaceae
USDA hardiness 10-12
Known Hazards None known
Habitats Not known
Range Australasia - New Guinea.
Edibility Rating    (4 of 5)
Other Uses    (3 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Tender Moist Soil Semi-shade Full sun
Pandanus julianettii Karuka


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Pandanus julianettii Karuka
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Summary


Physical Characteristics

 icon of manicon of shrub
Pandanus julianettii is an evergreen Shrub growing to 4 m (13ft) by 3 m (9ft) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 10.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid and neutral soils and can grow in very acid and saline soils.
It can grow in semi-shade (light woodland) or no shade. It prefers moist soil. The plant can tolerates strong winds but not maritime exposure.

UK Hardiness Map US Hardiness Map

Synonyms

Pandanus jiulianettii. There is some confusion with the incorrect spelling: Pandanus jiulianettii.

Plant Habitats

Edible Uses

Edible Parts: Leaves  Oil  Root  Seed
Edible Uses: Oil

Seeds[418 ]. The seeds are oily and contain a fair amount of protein[418 ]. Sometimes the inner leaves and the tips of the aerial roots are eaten cooked[317 ].

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

Fibre  Oil

A fibre obtained from the plant is used for making textiles[418 ].

Special Uses

Carbon Farming  Food Forest

References   More on Other Uses

Cultivation details

Management: Standard  Regional Crop  Staple Crop: Oil

A plant of the humid tropics, where it is found at elevations from 1,700 - 2,900 metres[418 ]. Plants grow best in areas where the mean annual temperature is within the range 13 - 24c, but can tolerate 6 - 30c[418 ]. They may tolerate temperatures as low as 0c for short periods and down to 3c for prolonged periods[418 ]. They prefer a mean annual rainfall in the range 3,000 - 4,000mm, tolerating 2,500 - 4,000mm[418 ]. Succeeds in sunny positions and in light shade[418 ]. Prefers a well-drained, humus-rich, light to medium soil[418 ]. Prefers a pH in the range 4.5 - 5.5, but tolerates 3.5 - 5.6[418 ]. Plants can be harvested for their fibre the first time 6 - 8 years from planting, with an economical life of 20-40 years and with a total lifespan of up to 70 years[418 ]. Require 90-120 days from flowering to fruiting and have no obvious seasonality[418 ]. This species has potential for commercial use[317 ]. Branches do not have dormant buds and so will not resprout if cut back into the old wood[423 ]. A dioecious species, both male and female forms need to be grown if fruits and seed are required.

Carbon Farming

  • Management: Standard  Plants grow to their standard height. Harvest fruit, seeds, or other products. Non-Destructive management systems.
  • Regional Crop  These crops have been domesticated and cultivated regionally but have not been adopted elsewhere and are typically not traded globally, Examples in this broad category include perennial cottons and many nuts and staple fruits.
  • Staple Crop: Oil  (0-15 percent protein, 16+ percent oil). Some of these are consumed whole while others are exclusively pressed for oil. Annuals include canola, poppyseed, maize, cottonseed, sunflower, peanut. Perennials include high-oil fruits, seeds, and nuts, such as olive, coconut, avocado, oil palm, shea, pecan, and macadamia. Some perennial oil crops are consumed whole as fruits and nuts, while others are exclusively pressed for oil (and some are used fresh and for oil).

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - best pre-soaked for 24 hours prior to sowing[299 ]. Commonly vegetative cuttings of the top section of a branch is used for planting. This is suitable for a tree that has several branches. Sometimes karukas develop young suckers or shoots near the ground. When these are seen, they are broken off and replanted from these vegetative suckers. Trees from cuttings produce after 5-8 years. Seedling trees are slower to produce and have a taller straighter trunk.

Other Names

If available other names are mentioned here

Pandan kelapa hutan fruits, Karunka

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Found In

Countries where the plant has been found are listed here if the information is available

Asia, Indonesia, Pacific, Papua New Guinea, PNG, SE Asia

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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Pandanus amaryllifoliusFragrant PandanTree4.0 8-11 MLMHSNMWe323
Pandanus conoideusMarita, Red fruit, PandanPerennial5.0 10-12 MLMHSNM412

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.

 

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Author

Martelli

Botanical References

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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