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Garryaceae
Garryaceae is a small family of plants known commonly as the silktassels.Garryaceae. Flora of North America, efloras.org. It contains two genera: *'''' Douglas ex Lindl., 1834. About 16-18 species. *'' Aucuba'' Thunb., 1783. About 3-10 species. ''Aucuba'' was included in the family |
Garryales
The Garryales are a small order of dicotyledons, including only two families and three genera. Description Garryales are woody plants that are either hairless or have very fine hairs. Members of the family Garryaceae are evergreen, whereas those of the Eucommiaceae are deciduous and produce latex. All members are dioecious. Taxonomy These belong among the asterids. Under the Cronquist system, the Garryaceae were placed among the Cornales. The Eucommiaceae were given their own order and placed among the Hamamelidae. The Oncothecaceae family has been associated with Garryales, though the link is not strong enough to prove they are related. Subdivisions The order is made up of two families which, between them, contain three genera. These are: * Family Garryaceae **''Garrya'' **'' Aucuba'' * Family Eucommiaceae **''Eucommia ''Eucommia'' is a genus of small trees now native to China, with a fossil record that shows a much wider distribution. The single living species, '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Garrya Elliptica
''Garrya elliptica'', the coast silk-tassel, silk tassel bush or wavyleaf silktassel, is a species of flowering plant in the family Garryaceae, native to the coastal ranges of California and southern Oregon. It is an erect, bushy, evergreen shrub reaching a height of . Description Growth habit It has a multi-furcate branching structure yielding an almost spherical form. The height averages in the wild. Like others of its genus, ''G. elliptica'' has opposite leaves with a tough leathery feel, glossy green on top, but paler and duller on the underside. Flowers The dioecious flowers are concentrated in inflorescences which cascade downward as aments of in length. While it manifests separate male and female plants, the pendant male catkins are much more showy and are grey-green and up to long; the female ones are shorter and silver-grey. Although the flowers bloom in late winter and early spring, dried bracts remain on the plant well into summer as light gray decorations. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Petroselinic Acid
Petroselinic acid is a fatty acid that occurs naturally in several animal and vegetable fats and oils. It is a white powder and is commercially available. In chemical terms, petroselinic acid is classified as a monounsaturated omega-12 fatty acid, abbreviated with a lipid number of 18:1 cis-6. It has the formula CH3(CH2)10CH=CH(CH2)4COOH. The term "petroselinic" means related to, or derived from, oil of ''Petroselinum'', parsley. Despite its name, petroselinic acid does not contain any selenium. Petroselinic acid is a positional isomer of oleic acid. Occurrence Petroselinic was first isolated from parsley seed oil in 1909. Petroselinic acid occurs in high amounts in plants in Apiaceae, Araliaceae, Griselinia (Griseliniaceae) and in Garryaceae. In Picramniaceae, petroselinic acid is accompanied by tariric acid. In addition, petroselinic acid has been found in minor amounts in several fats of plant and animal origin, including in human sources. The occurrence of petroselinic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aucuba
''Aucuba'' is a genus of three to ten species of flowering plants, now placed in the family Garryaceae, although formerly classified in the Aucubaceae or Cornaceae. ''Aucuba'' species are native to eastern Asia, from the eastern Himalayas east to China, Korea, and Japan. The name is a latinization of Japanese ''Aokiba''. They are evergreen shrubs or small trees 2–13 m tall, similar in appearance to the laurels of the genus '' Laurus'', having glossy, leathery leaves, and are among the shrubs that are mistakenly called laurels in gardens."With characteristic perversity, we deny the name of laurel to the only member of that genus that we cultivate—'' Laurus nobilis''—which we call the Bay, and bestow it on a number of totally unconnected shrubs", observes Alice M. Coats. The leaves are opposite, broad lanceolate, 8–25 cm long and 2–7 cm broad, with a few large teeth on the margin near the apex of the leaf. Aucubas are dioecious, having separate male ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Garrya
''Garrya'' is a genus of flowering plants in the family Garryaceae native to Mexico, the western United States, Central America and the Greater Antilles. Common names include silk tassel and tassel bush. They are evergreen dioecious wind-pollinated shrubs growing to tall. The leaves are arranged in opposite pairs, and are simple, leathery, dark green to gray-green, ovate, long, with an entire margin and a short petiole. The flowers are gray-green catkins, short and spreading when first produced in late summer; the male catkins becoming long () and pendulous in late winter when shedding pollen; the female catkins usually a little shorter and less pendulous. The fruit is a round dry berry containing two seeds. Species * ''Garrya buxifolia'' – dwarf silktassel; western Oregon, northern California * ''Garrya congdonii'' – chaparral silktassel; California * ''Garrya corvorum'' – Guatemala * ''Garrya elliptica'' – coast silktassel, wavyleaf silktassel; western Oregon, wester ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Araliaceae
The Araliaceae are a family of flowering plants composed of about 43 genera and around 1500 species consisting of primarily woody plants and some herbaceous plants. The morphology of Araliaceae varies widely, but it is predominantly distinguishable based on its woody habit, tropical distribution, and the presence of simple umbels. There are numerous plants of economic importance. Some genera, such as ''Hedera'' (the ivies), '' Fatsia'' (Japanese aralias) and '' Schefflera'' (the umbrella trees)'', ''are used as ornamental foliage plants. The family also includes '' Panax ginseng'', the root of which is ginseng, used in traditional Chinese medicine. Overview The morphology of Araliaceae varies widely. Many studies have found that there is no unifying characteristic capable of classifying the family. In general, Araliaceae species have large, usually alternate leaves, often with aromatic ethereal oils, five-petaled flowers, two to five carpels, simple umbels, and berries witho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tree
In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are usable as lumber or plants above a specified height. In wider definitions, the taller palms, tree ferns, bananas, and bamboos are also trees. Trees are not a taxonomic group but include a variety of plant species that have independently evolved a trunk and branches as a way to tower above other plants to compete for sunlight. The majority of tree species are angiosperms or hardwoods; of the rest, many are gymnosperms or softwoods. Trees tend to be long-lived, some reaching several thousand years old. Trees have been in existence for 370 million years. It is estimated that there are some three trillion mature trees in the world. A tree typically has many secondary branches supported clear of the ground by the trunk. This trunk typi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shrub
A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple stems and shorter height, less than tall. Small shrubs, less than 2 m (6.6 ft) tall are sometimes termed as subshrubs. Many botanical groups have species that are shrubs, and others that are trees and herbaceous plants instead. Some definitions state that a shrub is less than and a tree is over 6 m. Others use as the cut-off point for classification. Many species of tree may not reach this mature height because of hostile less than ideal growing conditions, and resemble a shrub-sized plant. However, such species have the potential to grow taller under the ideal growing conditions for that plant. In terms of longevity, most shrubs fit in a class between perennials and trees; some may only last about fiv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evergreen
In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which completely lose their foliage during the winter or dry season. Evergreen species There are many different kinds of evergreen plants, both trees and shrubs. Evergreens include: *Most species of conifers (e.g., pine, hemlock, blue spruce, and red cedar), but not all (e.g., larch) * Live oak, holly, and "ancient" gymnosperms such as cycads *Most angiosperms from frost-free climates, and rainforest trees *All Eucalypts * Clubmosses and relatives *Bamboos The Latin binomial term , meaning "always green", refers to the evergreen nature of the plant, for instance :'' Cupressus sempervirens'' (a cypress) :'' Lonicera sempervirens'' (a honeysuckle) :'' Sequoia sempervirens'' (a sequoia) Leaf longevity in evergreen plants varies from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Asia
Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area of , about 30% of Earth's total land area and 8.7% of Earth's total surface area. The continent, which has long been home to the majority of the human population, was the site of many of the first civilizations. Its 4.7 billion people constitute roughly 60% of the world's population. In general terms, Asia is bounded on the east by the Pacific Ocean, on the south by the Indian Ocean, and on the north by the Arctic Ocean. The border of Asia with Europe is a historical and cultural construct, as there is no clear physical and geographical separation between them. It is somewhat arbitrary and has moved since its first conception in classical antiquity. The division of Eurasia into two continents reflects East–West cultural, ling ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Caribbean Sea, and to the west and south by the Pacific Ocean. Because it is on the North American Plate, North American Tectonic Plate, Greenland is included as a part of North America geographically. North America covers an area of about , about 16.5% of Earth's land area and about 4.8% of its total surface. North America is the third-largest continent by area, following Asia and Africa, and the list of continents and continental subregions by population, fourth by population after Asia, Africa, and Europe. In 2013, its population was estimated at nearly 579 million people in List of sovereign states and dependent territories in North America, 23 independent states, or about 7.5% of the world's population. In Americas (terminology)#Human ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apiales
The Apiales are an order of flowering plants. The families are those recognized in the APG III system. This is typical of the newer classifications, though there is some slight variation and in particular, the Torriceliaceae may also be divided. Under this definition, well-known members include carrots, celery, parsley, and '' Hedera helix'' (English ivy). The order Apiales is placed within the asterid group of eudicots as circumscribed by the APG III system. Within the asterids, Apiales belongs to an unranked group called the campanulids, and within the campanulids, it belongs to a clade known in phylogenetic nomenclature as Apiidae. In 2010, a subclade of Apiidae named Dipsapiidae was defined to consist of the three orders: Apiales, Paracryphiales, and Dipsacales. Taxonomy Under the Cronquist system, only the Apiaceae and Araliaceae were included here, and the restricted order was placed among the rosids rather than the asterids. The Pittosporaceae were place ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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