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Myrtaceae
Myrtaceae (), the myrtle family, is a family of dicotyledonous plants placed within the order Myrtales. Myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, and eucalyptus are some notable members of this group. All species are woody, contain essential oils, and have flower parts in multiples of four or five. The leaves are evergreen, alternate to mostly opposite, simple, and usually entire (i.e., without a toothed margin). The flowers have a base number of five petals, though in several genera, the petals are minute or absent. The stamens are usually very conspicuous, brightly coloured, and numerous. Evolutionary history Scientists hypothesize that the family Myrtaceae arose between 60 and 56 million years ago (Mya) during the Paleocene era. Pollen fossils have been sourced to the ancient supercontinent Gondwana. The breakup of Gondwana during the Cretaceous period (145 to 66 Mya) geographically isolated disjunct taxa and allowed for rapid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leptospermum
''Leptospermum'' is a genus of shrubs and small trees in the myrtle family Myrtaceae commonly known as tea trees, although this name is sometimes also used for some species of ''Melaleuca''. Most species are endemic to Australia, with the greatest diversity in the south of the continent, but some are native to other parts of the world, including New Zealand and Southeast Asia. Leptospermums all have five conspicuous petals and five groups of stamens which alternate with the petals. There is a single style in the centre of the flower and the fruit is a woody capsule. The first formal description of a leptospermum was published in 1776 by the German botanists Johann Reinhold Forster and his son Johann Georg Adam Forster, but an unambiguous definition of individual species in the genus was not achieved until 1979. Leptospermums grow in a wide range of habitats but are most commonly found in moist, low-nutrient soils. They have important uses in horticulture, in the production of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metrosideros
''Metrosideros'' is a genus of approximately 60 trees, shrubs, and vines in the family Myrtaceae, mostly found in the Pacific region. Most of the tree forms are small, but some are exceptionally large, the New Zealand species in particular. The name derives from the Ancient Greek language, Ancient Greek ''metra'' or "heartwood" and ''sideron'' or "iron". Perhaps the best-known species are the pōhutukawa (''M. excelsa''), Metrosideros robusta, northern rātā (''M. robusta'') and Metrosideros umbellata, southern rātā (''M. umbellata'') of New Zealand, and ''Metrosideros polymorpha, ōhia lehua'' (''M. polymorpha'') from the Hawaiian Islands. Distribution ''Metrosideros'' is one of the most widely spread flowering plant genera in the Pacific. New Caledonia has 21 species, New Zealand has 12, New Guinea has seven and Hawaii has 5. The genus is present on most other high Pacific Islands, including Solomon Islands, Vanuatu, Fiji, Samoa, Cook Islands, French Polynesia, Bonin Island ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acca (plant)
''Acca'' is a genus of shrubs and small trees in the family Myrtaceae that is native to Bolivia and Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac .... The scientific name of the genus is from a native Peruvian name for ''A. macrostema''. ''Acca'' was first described as a genus in 1856. The genus comprises two species. # '' Acca lanuginosa'' (Ruiz & Pav. ex G.Don) McVaugh - central + southern Peru # '' Acca macrostema'' (Ruiz & Pav. ex G.Don) McVaugh - Bolivia, central + southern Peru References External links * * Flora of Southern America Myrtaceae genera Myrtaceae {{Myrtaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pimenta Racemosa
''Pimenta racemosa'' is a species of plant in the myrtle family (Myrtaceae) that is native to the Caribbean region. Common names include West Indian bay tree, bay rum tree, and ciliment. Uses It is used in cooking and an essential oil is distilled to produce a fragrant cologne called bay rum; although the name is similar to names of flavored alcoholic beverages, the concentrated essential oil from the fruit is toxic and renders the product undrinkable. The leaves are also used for herbal teas. Anti-inflammatory and antinociceptive properties Extracts from multiple varieties of ''Pimenta racemosa'' display anti-inflammatory properties. These properties are mediated in part by terpenes such as abietic acid and lupeol, which alter neutrophil migration into inflamed regions. ''Pimenta racemosa'' also demonstrates antinociceptive properties and has historically been used as an analgesic in the Caribbean. Description The tree is 4–12 m tall and the white flowers, about ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Myrtales
The Myrtales are an order of flowering plants in the malvid clade of the rosid group of dicotyledons. Well-known members of Myrtales include: myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, eucalyptus, crape myrtles, henna tree, pomegranate, water caltrop, loosestrifes, cupheas (cigar plants), evening primroses, fuchsias, willowherbs, white mangrove, leadwood tree, African birch, Koster's curse, and velvet tree. Taxonomy Myrtales include the following nine families, according to the APG III system of classification: * Alzateaceae * Combretaceae ( leadwood family) * Crypteroniaceae * Lythraceae ( loosestrife and pomegranate family) * Melastomataceae (including Memecylaceae) * Myrtaceae (myrtle family; including Heteropyxidaceae, Psiloxylaceae) * Onagraceae ( evening primrose and Fuchsia family) * Penaeaceae (including Oliniaceae, Rhynchocalycaceae) * Vochysiaceae The APG III system places the order within the eurosids; this is corrobor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Myrtus
''Myrtus'' (commonly called myrtle) is a genus of flowering plants in the family Myrtaceae. It was first described by Swedish botanist Linnaeus in 1753. Over 600 names have been proposed in the genus, but nearly all have either been moved to other genera or been regarded as synonyms. The genus ''Myrtus'' has three species recognised today: *'' Myrtus communis'' – Common myrtle; native to the Mediterranean region in southern Europe *''Myrtus nivellei'' – Saharan myrtle; native to North Africa *'' Myrtus phyllireaefolia'' Description Common myrtle '' Myrtus communis'', the "common myrtle", is native across the Mediterranean region, Macaronesia, western Asia, and the Indian subcontinent. It is also cultivated. The plant is an evergreen shrub or small tree, growing to tall. The leaf is entire, 3–5 cm long, with a fragrant essential oil. The star-like flower has five petals and sepals, and numerous stamens. Petals usually are white. The flower is pollinated by i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eucalyptus
''Eucalyptus'' () is a genus of more than 700 species of flowering plants in the family Myrtaceae. Most species of ''Eucalyptus'' are trees, often Mallee (habit), mallees, and a few are shrubs. Along with several other genera in the tribe Eucalypteae, including ''Corymbia'' and ''Angophora'', they are commonly known as eucalypts or "gum trees". Plants in the genus ''Eucalyptus'' have bark that is either smooth, fibrous, hard, or stringy and leaves that have oil Gland (botany), glands. The sepals and petals are fused to form a "cap" or Operculum (botany), operculum over the stamens, hence the name from Greek ''eû'' ("well") and ''kaluptós'' ("covered"). The fruit is a woody Capsule (botany), capsule commonly referred to as a "gumnut". Most species of ''Eucalyptus'' are Indigenous (ecology), native to Australia, and every state and territory has representative species. About three-quarters of Australian forests are eucalypt forests. Many eucalypt species have adapted to wildfire, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leaf
A leaf (: leaves) is a principal appendage of the plant stem, stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, flower, and fruit collectively form the Shoot (botany), shoot system. In most leaves, the primary Photosynthesis, photosynthetic Tissue (biology), tissue is the palisade mesophyll and is located on the upper side of the blade or lamina of the leaf, but in some species, including the mature foliage of ''Eucalyptus'', palisade mesophyll is present on both sides and the leaves are said to be isobilateral. The leaf is an integral part of the stem system, and most leaves are flattened and have distinct upper (Glossary of botanical terms#adaxial, adaxial) and lower (Glossary of botanical terms#abaxial, abaxial) surfaces that differ in color, Trichome, hairiness, the number of stomata (pores that intake and output gases), the amount and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oceania
Oceania ( , ) is a region, geographical region including Australasia, Melanesia, Micronesia, and Polynesia. Outside of the English-speaking world, Oceania is generally considered a continent, while Mainland Australia is regarded as its continental landmass. Spanning the Eastern Hemisphere, Eastern and Western Hemisphere, Western hemispheres, at the centre of the land and water hemispheres, water hemisphere, Oceania is estimated to have a land area of about and a population of around 46.3 million as of 2024. Oceania is the smallest continent in land area and the list of continents and continental subregions by population, second-least populated after Antarctica. Oceania has a diverse mix of economies from the developed country, highly developed and globally competitive market economy, financial markets of Australia, French Polynesia, Hawaii, New Caledonia, and New Zealand, which rank high in quality of life and Human Development Index, to the much least developed countries ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guava
Guava ( ), also known as the 'guava-pear', is a common tropical fruit cultivated in many tropical and subtropical regions. The common guava '' Psidium guajava'' (lemon guava, apple guava) is a small tree in the myrtle family (Myrtaceae), native to Mexico, Central America, the Caribbean and northern South America. The name guava is also given to some other species in the genus '' Psidium'' such as strawberry guava ('' Psidium cattleyanum'') and to the pineapple guava, '' Feijoa sellowiana''. In 2019, 55 million tonnes of guavas were produced worldwide, led by India with 45% of the total. Botanically, guavas are berries. Etymology The term ''guava'' appears to have been in use since the mid-16th century. The name derived from the Taíno, a language of the Arawaks as for ''guava tree'' via the Spanish for . It has been adapted in many European and Asian languages, having a similar form. Origin and distribution Guavas originated from an area thought to extend from Mexic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Myrtus Communis
''Myrtus communis'', the common myrtle or true myrtle, is a species of flowering plant in the myrtle family Myrtaceae. It is an evergreen shrub native to southern Europe, North Africa, Western Asia, Macaronesia, and the Indian Subcontinent, and also cultivated. The plant is an evergreen shrub or small tree, growing to tall. The leaves are long, with a fragrant essential oil. The flowers are white or tinged with pink, with five petals and many stamens that protrude from the flower. The fruit is an edible berry, blue-black when ripe. The essential oils derived from this plant have anti-proliferative and anti- quorum sensing properties, helping against food spoilage. The berries are also macerated in alcohol to make ''Mirto'' liqueur. This species and the more compact ''M. communis'' subsp. ''tarentina'' have won the Royal Horticultural Society's Award of Garden Merit. They are hardy but prefer a sheltered position in full sun. The plant can be propagated with seeds str ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
