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Duboisia myoporoides - R.Br.

Common Name Corkwood
Family Solanaceae
USDA hardiness 10-12
Known Hazards All parts of the plant are poisonous due to the presence of alkaloids[238 ]. The plant has been used to poison fish[694 ]. An infusion of the leaves is toxic to rats, dogs, cats, and frogs and, in larger quantities, to humans[418 ].
Habitats High-rainfall areas on the margins of rainforests at elevations up to 1,000 metres[365 ]. Also found in rainforest regrowth[365 ]. Sandy soils in open forest, rainforest margins and coastal dunes[238 ].
Range Australia - New South Wales, Queensland, north to New Caledonia.
Edibility Rating    (0 of 5)
Other Uses    (2 of 5)
Weed Potential Yes
Medicinal Rating    (3 of 5)
Care
Tender Moist Soil Full sun
Duboisia myoporoides Corkwood


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Duboisia myoporoides Corkwood
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Summary


Physical Characteristics

 icon of manicon of lolypop
Duboisia myoporoides is a TREE growing to 10 m (32ft) by 10 m (32ft) at a fast rate.
It is hardy to zone (UK) 10.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil.

Synonyms

Entrecasteauxia elliptica Montrouz.

Habitats

Edible Uses

The leaves contain various alkaloids and have been used to make intoxicating drinks[694 ]. This species is rich in alkaloids and the leaves have been harvested commercially for the extraction of scopalamine. Cases of poisoning have been reported in cattle, horses and humans. Everist (1974).

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 leaves are a bitter, hypnotic herb that dilates the pupils, stimulates respiration and acts as a sedative[238 ]. It contains duboisine, a mydriatic alkaloid[46 ]. The leaves contain various alkaloids and have been used to make intoxicating drinks[46 , 694 ]. The plant is a rich source of tropane alkaloids[317 ]. These alkaloids are used in the pharmaceutical industry for the production of a wide range of medicines including stimulants, antispasmodics and analgesics. The leaves are used in homeopathy for the treatment of eye complaints[238 ]. The herb is subject to legal restrictions in some countries[238 ]. Duboisia is probably the most important of the Australian native medicinal plants. The leaves are a valuable source of the alkaloid drugs, scopolamine and hyoscyamine. Cribb (1981).

Other Uses

Agroforestry Uses: A natural pioneer species in its native range, where this fast-growing plant is often found in forest regrowth areas[694 ]. Other Uses The bark is corky, though no record of any usage has been found[K ]. The wood is soft[418 , 694 ].

Cultivation details

Industrial Crop: Medicinal;  Industrial Crop: Pesticide;  Management: Standard;  Regional Crop.

A plant of the moist tropics and subtropics, where it is found at elevations up to 1,000 metres. It grows best in areas where annual daytime temperatures are within the range 20 - 30?c, but can tolerate 10 - 36?c[418 ]. Plants can tolerate some frost[694 ]. It prefers a mean annual rainfall in the range 1,000 - 2,000mm, but tolerates 600 - 2,500mm[418 ]. Prefers a light, well-drained soil and a sunny position[238 ]. Prefers a pH in the range 5 - 6.5, tolerating 4.5 - 7[418 ]. Plants can flower virtually all year round[694 ]. The plant has a suckering habit, especially after fires, and has the potential of becoming a weed[418 ].

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Propagation

Seed - best sown as soon as it is ripe, it germinates freely if removed from the flesh of the fruit[694 ].

Other Names

If available other names are mentioned here

Soft Corkwood; Mgmeo; Poison Corkwood; Poisonous Corkwood; Corkwood Tree; Eye-opening Tree; Eye-plant; Duboisia; Yellow Basswood; Elm; Corkwood

Found In

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

Australia ; New Caledonia

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.

The plant has a suckering habit, especially after fires, and has the potential of becoming a weed[418 ].

Conservation Status

IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed

Related Plants

 

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Author

R.Br.

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 : Duboisia myoporoides  
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