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Summary
Physical Characteristics
Erythrina_sandwicensis is a deciduous Tree growing to 10 m (32ft) by 10 m (32ft) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 10. The flowers are pollinated by Insects.
It can fix Nitrogen.
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 dry or moist soil and can tolerate drought. The plant can tolerate maritime exposure.
UK Hardiness Map
US Hardiness Map
Synonyms
No synonyms are recorded for this name.
Plant Habitats
Edible Uses
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.
The flowers are used in the treatment of venereal diseases[436 ]. The pounded bark is used in the treatment of various genital diseases[436 ]. The bark is a medicine to be beaten with water and regularly drunk[436 ].
References More on Medicinal Uses
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Other Uses
Design: Specimen Plant. Agroforestry Uses: With its ability to fix atmospheric nitrogen, and its toleration of strong winds and drought, the tree is often used in revegetation programs of highly eroded areas in Hawaii[303 ]. It has been frequently planted as a live fence on account of readiness with which it takes root when planted in the ground[303 ]. Other Uses The tree (bark?) is a source of tannins. It is burned to make charcoal which can then be used as a colour pigment to blend with other ingredients in making paint[303 ]. The bright red seeds have been used for making leis[303 ]. The wood is light in weight[303 , 436 ]. It was used by ancient Hawaiians for fishing net buoys, surfboards and outriggers on canoes. More recently, the wood has been carved into imitation whale-tooth necklaces[303 ].
Special Uses
References More on Other Uses
Cultivation details
A plant of lowland areas in Hawaii, where it id found below 610 metres in areas where the mean annual rainfall is in the range 500 - 1,250mm[303 ]. Grows best in an open, sunny position[303 ]. Prefers well-drained soils[303 ]. Survives extended drought and high winds, though can become wind-shaped in high exposure[303 , K ]. The various species of Erythrina can all, as far as is known, be intercrossed to produce fertile hybrids[310 ]. This species has a symbiotic relationship with certain soil bacteria; these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[755 ].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Like many species within the family Fabaceae, once they have been dried for storage the seeds of this species may benefit from scarification before sowing in order to speed up and improve germination. This can usually be done by pouring a small amount of nearly boiling water on the seeds (being careful not to cook them!) and then soaking them for 12 - 24 hours in warm water. By this time they should have imbibed moisture and swollen - if they have not, then carefully make a nick in the seedcoat (being careful not to damage the embryo) and soak for a further 12 hours before sowing[K ].
Other Names
If available other names are mentioned here
Wiliwili, Hawaiian coral tree, Hawaiian erythrina
Native Range
PACIFIC: United States (Hawaii (all main islands (fide F Hawaii)))
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.
None Known
Conservation Status
IUCN Red List of Threatened Plants Status : At Risk
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
O.Deg.
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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Subject : Erythrina_sandwicensis
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