New Zealand medicinal plants

Brooker, S. G.; Cooper, Robert C.

doi:10.1007/bf02906757

Cited by 54 publications

(54 citation statements)

References 5 publications

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“…Metrosideros excelsa is regarded by Māori as a chiefly tree, featuring strongly in legend and spiritual ceremony, as well as having many medicinal uses (Simpson 1994). Traditionally, an infusion made from the bark, which contains the natural antioxidant ellagic acid, was made by the tohunga (chief priest) to remedy diarrhoea (Brooker et al 1961;Riley 1994;Seeram et al 2005). Inner bark was also bound to wounds to sooth inflammation and stop bleeding (Riley 1994), and chewed to alleviate toothache (Bergin & Hosking 2006).…”

Section: Threats and Conservationmentioning

confidence: 99%

Biological flora of New Zealand 14:Metrosideros excelsa, pōhutukawa, New Zealand Christmas tree

Bylsma

Clarkson

Efford

2014

New Zealand Journal of Botany

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We review the biology and ecology of Metrosideros excelsa (Myrtaceae), an endemic angiosperm evergreen tree. Metrosideros excelsa belongs to a conspicuous and widely distributed Pacific Basin genus, with centres of diversity in both New Zealand and New Caledonia. Metrosideros excelsa is an iconic tree species that forms a significant component of northern New Zealand's exposed coastal headland and cliff vegetation. Where conditions are more favourable, M. excelsa forms tall coastal forest, ranging from simple young high-density stands to diverse mature forest. Inland, M. excelsa stands are confined to the margins of lakes and rivers on the Central Volcanic Plateau, where some may originate from early Māori plantings. Metrosideros excelsa is reliant on stochastic disturbance events (e.g. landslides, volcanic eruptions) to create open sites necessary for regeneration. Mass flowering (December-January), followed by abundant production of wind-dispersed seed maximises chance colonisation of such sites. Since human settlement in New Zealand, the distribution of M. excelsa forest has declined by c. 90% and the southern limit of the species has retreated north. Natural regeneration on the mainland is limited by the infrequency of large-scale disturbances and increased anthropogenic and herbivore pressures. Consequently, M. excelsa forest has become rare and localised on the mainland; monitoring and active management are fundamental to the species' long-term conservation.

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Section: Threats and Conservationmentioning

confidence: 99%

Biological flora of New Zealand 14:Metrosideros excelsa, pōhutukawa, New Zealand Christmas tree

Bylsma

Clarkson

Efford

2014

New Zealand Journal of Botany

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“…Eucalyptus globulus is an ever green tree growing up to 40 to 70 m and widely planted in the sub tropical and Mediterranean regions 2 . The fresh leaves are sometimes eating as vegetables, while the dry leaves were often smoked as cigarettes for treatment of asthma 3 . It is also to be useful in the various treatments of lung ailment, malaria, bladder and liver infection 4 .…”

Section: Introductionmentioning

confidence: 99%

Aroma profile of Eucalyptus globulus: collected from North West Karnataka, India

Joshi

2012

Sci World

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Abstract:The chemical composition of the essential oil of the leaves of Eucalyptus globulus (Myrtaceae) grown in North West Karnataka, has been analyzed by GC and GC/MS. Forty-eight constituents were identified, accounting 97.93% of the total oil. The major compounds were á-phellandrene (40.31%), á-pinene (13.71%), â-pinene (13.31%), ã-terpinene (9.61%) and 1,8-cineol (4.96%). The oil was rich in monoterpene hydrocarbons (81.14%).

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“…The juvenile hormone mimic, 1-(3,4-methylenedioxyphenyl)-trans-3-decene(1) (to which we have assigned the trivial name juvadecene in accord with previous terminology) identified in this study can be added to the known battery of biologically active components previously described in this plant [I, [9][10][11].…”

Section: Discussionmentioning

confidence: 96%

Juvadecene: Discovery of a juvenile hormone mimic in the plant, Macropiper excelsum

Nishida

Bowers

Evans

1983

Arch Insect Biochem Physiol

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A compound with significant insect juvenile hormone activity was isolated from the plant, Macropiper excelsurn. The chemical structure was determined by spectral methods to be 1-(3,4methylenedioxyphenyl)-trans-3-decene(l), and confirmed by synthesis. The hormonally active substance applied topically to last (fifth)-instar nymphs of the milkweed bug (Oncopeltus fasciatus) induced a supernumerary metamorphosis at 30 Fg. Higher doses were toxic.

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New Zealand medicinal plants

Cited by 54 publications

References 5 publications

Biological flora of New Zealand 14:Metrosideros excelsa, pōhutukawa, New Zealand Christmas tree

Biological flora of New Zealand 14:Metrosideros excelsa, pōhutukawa, New Zealand Christmas tree

Aroma profile of Eucalyptus globulus: collected from North West Karnataka, India

Juvadecene: Discovery of a juvenile hormone mimic in the plant, Macropiper excelsum

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