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Pseudowintera
''Pseudowintera'' is a genus of woody evergreen flowering trees and shrubs, part of family Winteraceae. The species of ''Pseudowintera'' are native to New Zealand. Winteraceae are magnoliids, associated with the humid Antarctic flora of the southern hemisphere. Horopito can be chewed for a hot, peppery taste. *'' Pseudowintera axillaris'', is known as the lowland horopito. It is a shrub or small tree growing up to eight metres tall in lowland and lower montane forests from 35° to 42° South. In the South Island it grows West of the Main Divide. *''Pseudowintera colorata'', or mountain horopito, is an evergreen shrub or small tree (1–2.5 m) commonly called pepperwood because its leaves have a very hot bite. Its yellow and green leaves are blotched with red; new leaves in the spring are bright red. It is widespread throughout New Zealand, from lowland forests to higher montane forests, and from 36° 30' South as far southwards as Stewart Island/Rakiura. Because of its various use ...
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Pseudowintera Axillaris
The ''Pseudowintera axillaris'' is a shrub like tree, endemic to New Zealand. They are members of the Winterace family and are known for their peppery taste, and glossy green leaves. Description The ''Pseudowintera axillaris'', or Lowland Horopito, is one of four Winteraceae species, endemic to New Zealand. It has many distinguishing features that can identify it from other Winteraceae species. Growing up to 8 metres tall and a trunk up to 10 cm in diameter this small shrub-like tree, prefers damper, cold, tree shaded locations found in New Zealand forests in the North Island and the northern parts of the South Island. Distinguishing features of this plant include its dark green coloured leaves, and natural glossy wax that gives the underside a pale to glaucous but not white; midvein pale appearance. These leaves have smooth margins and unlike many other plant species, the ''P. axillaris'' usually has no red or brown blotches or discolouration. Adult leaves can grow up to 6 ...
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Pseudowintera Traversii
''Pseudowintera traversii'', sometimes called Travers horopito, is a species of woody shrub in the family Winteraceae. The specific epithet ''traversii'' is in honor of naturalist Henry H. Travers (1844–1928), son of William Thomas Locke Travers. Description ''Pseudowintera traversii'' is a densely branched shrub growing up to high. It has coriaceous leaves that are long and ovate or obovate. The leaves are green-blue underneath and matte green on top, close-set and on stout petioles. The leaves may have reddish margins, but lack the picturesque blotches of '' P. colorata''. However they are described as tasting peppery and pungent. The bark is reddish-brown and rough. The green or yellow flowers appear in January, growing singly or as doubles, or rarely triples, with 5-7 petals and 4-9 stamens. The fruit appears in February as a fleshy berry, that is purplish-black and in diameter, containing 3-6 seeds. Like all Winteraceae species, ''P. traversii'' lacks vessel ...
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Pseudowintera Insperata
''Pseudowintera'' is a genus of woody evergreen flowering trees and shrubs, part of family Winteraceae. The species of ''Pseudowintera'' are native to New Zealand. Winteraceae are magnoliids, associated with the humid Antarctic flora of the southern hemisphere. Horopito can be chewed for a hot, peppery taste. *'' Pseudowintera axillaris'', is known as the lowland horopito. It is a shrub or small tree growing up to eight metres tall in lowland and lower montane forests from 35° to 42° South. In the South Island it grows West of the Main Divide. *'' Pseudowintera colorata'', or mountain horopito, is an evergreen shrub or small tree (1–2.5 m) commonly called pepperwood because its leaves have a very hot bite. Its yellow and green leaves are blotched with red; new leaves in the spring are bright red. It is widespread throughout New Zealand, from lowland forests to higher montane forests, and from 36° 30' South as far southwards as Stewart Island/Rakiura. Because of its various ...
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Trees Of New Zealand
New Zealand's long geological isolation means that most of its flora is unique, with many durable hard woods. There is a wide variety of native trees, adapted to all the various micro-climates in New Zealand. The native bush (forest) ranges from the subtropical kauri forests of the northern North Island, temperate rainforests of the West Coast, the alpine forests of the Southern Alps / Kā Tiritiri o te Moana and Fiordland to the coastal forests of the Abel Tasman National Park and the Catlins. In the early period of British colonisation, many New Zealand trees were known by names derived from the names of unrelated European trees, but more recently the trend has been to adopt the native Māori language names into English. For a listing in order of Māori name, with species names for most, see the ''Flora of New Zealand'' list overnacular names The New Zealand Plant Conservation Network has published a list of New Zealand indigenous vascular plants including all 574 native tr ...
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Pseudowintera Colorata
''Pseudowintera colorata'', also known as mountain horopito or pepper tree, is a species of woody evergreen flowering trees and shrubs, part of family Winteraceae. The species is endemic to New Zealand. All Winteraceae are magnoliids, associated with the humid Antarctic flora of the southern hemisphere. Description ''Pseudowintera colorata'', or mountain horopito, is an evergreen shrub or small tree (1–2.5 m) commonly called pepperwood because its leaves have a hot taste. It is also known as the New Zealand pepper tree, winter's bark, or red horopito. It is so named because early taxonomists recognized the similarity between horopito and the South American ''Drimys winteri'' that provided the herbal remedy "winter's bark." They are both members of the family Winteraceae, which are mainly found on the landmasses that once made up the great southern continent of Gondwana - South America, Australia, New Zealand and New Guinea. Its yellowish-green leaves are blotched with red, wit ...
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Winteraceae
Winteraceae is a primitive family of tropical trees and shrubs including 93 species in five genera. It is of particular interest because it is such a primitive angiosperm family, distantly related to Magnoliaceae, though it has a much more southern distribution. Plants in this family grow mostly in the southern hemisphere, and have been found in tropical to temperate climate regions of Malesia, Oceania, eastern Australia, New Zealand, Madagascar and the Neotropics, with most of the genera concentrated in Australasia and Malesia. The five genera, ''Takhtajania, Tasmannia, Drimys, Pseudowintera'', and ''Zygogynum s.l.'' all have distinct geographic extant populations. ''Takhtajania'' includes a single species, ''T. perrieri'', endemic only to Madagascar, ''Tasmannia'' has the largest distribution of genera in Winteraceae with species across the Philippines, Borneo, New Guinea, Eastern Australia, and Tasmannia, '' Drimys'' is found in the Neotropical realm, from southern Mexico to th ...
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Polygodial
Polygodial is chemical compound found in dorrigo pepper, mountain pepper, horopito, canelo, paracress, water-pepper, and '' Dendrodoris limbata''.M Jonassohn (1996)Sesquiterpenoid unsaturated dialdehydes - Structural properties that affect reactivity and bioctivity. Doctoral thesis, Lund University, Sweden. . Chemically it is a drimane-type sesquiterpene dialdehyde of formula C15H22O2. It elicits a warm and pungent flavour. The ''in vitro'' biological activity of polygodial has been reported in the scientific literature to include antifungal and antimicrobial activities, antihyperalgesia, potent attachment-inhibitory activity, insect antifeedant activity, antinociception, vasorelaxing action in vessels of rabbit and guinea pig, anti-inflammatory and antiallergic activities. Polygodial’s primary antifungal action is as a nonionic surfactant, disrupting the lipid-protein interface of integral proteins nonspecifically, denaturing their functional conformation. It is als ...
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Westport, New Zealand
Westport ( mi, Kawatiri) is a town in the West Coast region of the South Island of New Zealand. Established in 1861, it is the oldest European settlement on the West Coast. Originally named Buller, it is on the right bank and at the mouth of the Buller River, close by the prominent headland of Cape Foulwind. It is connected via State Highway 6 with Greymouth Greymouth () (Māori: ''Māwhera'') is the largest town in the West Coast region in the South Island of New Zealand, and the seat of the Grey District Council. The population of the whole Grey District is , which accounts for % of the West Coas ..., to the south, and with Nelson, New Zealand, Nelson in the northeast, via the Buller Gorge. The population of the Westport urban area was as of . The Buller District had a population of . Name The Māori language name for the river and the region is ''Kawatiri,'' meaning deep and swift. The town is thought to have been named after Westport, County Mayo in Ireland, alth ...
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Canellales Genera
Canellales is the botanical name for an order of flowering plants, one of the four orders of the magnoliids. It is recognized by the most recent classification of flowering plants, the APG IV system. It is defined to contain two families: Canellaceae and Winteraceae, which comprise 136 species of fragrant trees and shrubs. The Canellaceae are found in tropical America and Africa, and the Winteraceae are part of the Antarctic flora (found in diverse parts of the southern hemisphere). Although the order was defined based on phylogenetic studies, a number of possible synapomorphies have been suggested, relating to the pollen tube, the seeds, the thickness of the integument, and other aspects of the morphology. Until 1999, these two families were not considered to be closely related. Instead the Winteraceae were considered to be a primitive family (due to the structure of the xylem and carpel, a structure which now seems to be derived from xylem and carpels more typical of the a ...
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Māori People
The Māori (, ) are the indigenous Polynesian people of mainland New Zealand (). Māori originated with settlers from East Polynesia, who arrived in New Zealand in several waves of canoe voyages between roughly 1320 and 1350. Over several centuries in isolation, these settlers developed their own distinctive culture, whose language, mythology, crafts, and performing arts evolved independently from those of other eastern Polynesian cultures. Some early Māori moved to the Chatham Islands, where their descendants became New Zealand's other indigenous Polynesian ethnic group, the Moriori. Initial contact between Māori and Europeans, starting in the 18th century, ranged from beneficial trade to lethal violence; Māori actively adopted many technologies from the newcomers. With the signing of the Treaty of Waitangi in 1840, the two cultures coexisted for a generation. Rising tensions over disputed land sales led to conflict in the 1860s, and massive land confiscations, to which ...
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Candida Albicans
''Candida albicans'' is an opportunistic pathogenic yeast that is a common member of the human gut flora. It can also survive outside the human body. It is detected in the gastrointestinal tract and mouth in 40–60% of healthy adults. It is usually a commensal organism, but it can become pathogenic in immunocompromised individuals under a variety of conditions. It is one of the few species of the genus '' Candida'' that causes the human infection candidiasis, which results from an overgrowth of the fungus. Candidiasis is, for example, often observed in HIV-infected patients. ''C. albicans'' is the most common fungal species isolated from biofilms either formed on (permanent) implanted medical devices or on human tissue. ''C. albicans'', ''C. tropicalis'', ''C. parapsilosis'', and ''C. glabrata'' are together responsible for 50–90% of all cases of candidiasis in humans. A mortality rate of 40% has been reported for patients with systemic candidiasis due to ''C. albicans''. ...
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Insecticide
Insecticides are substances used to kill insects. They include ovicides and larvicides used against insect eggs and larvae, respectively. Insecticides are used in agriculture, medicine, industry and by consumers. Insecticides are claimed to be a major factor behind the increase in the 20th-century's agricultural productivity. Nearly all insecticides have the potential to significantly alter ecosystems; many are toxic to humans and/or animals; some become concentrated as they spread along the food chain. Insecticides can be classified into two major groups: systemic insecticides, which have residual or long term activity; and contact insecticides, which have no residual activity. The mode of action describes how the pesticide kills or inactivates a pest. It provides another way of classifying insecticides. Mode of action can be important in understanding whether an insecticide will be toxic to unrelated species, such as fish, birds and mammals. Insecticides may be repellent ...
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