Broom Teatree

Broom Teatree Plant Information


Broom Teatree grows in the following 1 states:

Hawaii

Leptospermum scoparium, commonly called mnuka, manuka myrtle,New Zealand teatree,broom tea-tree, or just tea tree, is a species of flowering plant in the myrtle family Myrtaceae, native to Australia and New Zealand.

It is a prolific scrub-type tree and is often one of the first species to regenerate on cleared land. It is typically a shrub growing to 2-5m (7-16ft) tall, but can grow into a moderately sized tree, up to 15m (49ft) or so in height. It is evergreen, with dense branching and small leaves 7-20mm long and 2-6mm broad, with a short spine tip. The flowers are white, occasionally pink, 8-15mm (rarely up to 25mm) in diameter, with five petals. This species is often confused with the closely related species knuka - the easiest way to tell the difference between the two species in the field is to feel their foliage - mnuka leaves are prickly, while knuka leaves are soft. The wood is tough and hard.
Evidence suggests that L. scoparium originated in Australia before the onset of the Miocene aridity, and dispersed relatively recently from eastern Australia to New Zealand. It has been postulated that on arrival in New Zealand, L. scoparium became established in limited edaphically suitable areas until the arrival of the Polynesian people, whose fire and forest-clearing brought about the low-nutrient-status soils for which it was preadapted in its homeland. It is now found throughout New Zealand, but is particularly common on the drier east coasts of the North and South Islands, and in Australia in Tasmania, Victoria and New South Wales.
The adult manuka beetle and its larvae feed on L. scoparium.
Mnuka (from Mori) is the common name used. "Jelly bush" and "tea tree" are also used in Australia and to a lesser extent in New Zealand. This name arose because Captain Cook used the leaves to make a 'tea' drink.
Numerous cultivars have been developed for garden use, of which the following have gained the Royal Horticultural Society's Award of Garden Merit:-
Many more cultivars are available in New Zealand but often the plant performs better in cultivation overseas. This is because in its homeland it is subject to attack by scale insects that secrete a honeydew on which grows a sooty mold that eventually debilitates the plant. Because of this, attempts have been made, with limited commercial success, to cross the showy New Zealand cultivars with mold-resistant Australian Leptospermum species.
The wood was often used for tool handles. Mnuka sawdust imparts a delicious flavour when used for smoking meats and fish. It is cultivated in New Zealand for mnuka honey, produced when honeybees gather the nectar from its flowers, and for the pharmaceutical industry. It is also used for carving and producing essential oils by steam distillation of its leaves. Manuka Essential Oil is modernly used widely as a potent natural anti-fungal and antibacterial agent. Manuka, as it is called by most New Zealanders, was used in pre-European times by the traditional people of New Zealand, the Maori, and still is. A decoction of the leaves was drunk for urinary complaints and as a febrifuge (an agent for reducing fever). The steam from leaves boiled in water was inhaled for head colds. A decoction was prepared from the leaves and bark and the warm liquid was rubbed on stiff muscles and aching joints. The emollient white gum, called pai Manuka, was given to nursing babies and also used to treat scalds and burns. Chewing the bark is said to have a relaxing effect and it enhances sleep.
Kakariki parakeets (Cyanoramphus) use the leaves and bark of mnuka and knuka to rid themselves of parasites. Apart from ingesting the material, they also chew it, mix it with preen gland oil and apply it to their feathers.

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