|
Spathulate
This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary of leaf morphology. For other related terms, see Glossary of phytopathology, Glossary of lichen terms, and List of Latin and Greek words commonly used in systematic names. A B ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glossary Of Lichen Terms
The following is a glossary of terms used in the description of lichens, composite organisms that arise from algae or cyanobacteria living among filaments of multiple fungus A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ... species in a Mutualism (biology), mutualistic relationship. Until the end of the 18th century, only a couple of lichen-specific terms had been proposed. Johann Jacob Dillenius, Johann Dillenius introduced ' in 1742 to describe the cup-shaped structures associated with genus ''Cladonia'', while in 1794 Michel Adanson used ' for the furrowed fruitbodies of the genus ''Graphis (lichen), Graphis''. Erik Acharius, the "father of lichenology", conceived many new terms to describe lichen structures in several of his seminal publications in the early 1800s. Examples ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glossary Of Plant Morphology
This page provides a glossary of plant morphology. Botanists and other biologists who study plant morphology use a number of different terms to classify and identify plant organs and parts that can be observed using no more than a handheld magnifying lens. This page provides help in understanding the numerous other pages describing plants by their various taxa. The accompanying page—Plant morphology—provides an overview of the science of the external form of plants. There is also an alphabetical list: Glossary of botanical terms. In contrast, this page deals with botanical terms in a systematic manner, with some illustrations, and organized by plant anatomy and function in plant physiology. This glossary primarily includes terms that deal with vascular plants (ferns, gymnosperms and angiosperms), particularly flowering plants (angiosperms). Non-vascular plants (bryophytes), with their different evolutionary background, tend to have separate terminology. Although plant morphol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Botany
Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek word (''botanē'') meaning " pasture", " herbs" "grass", or " fodder"; is in turn derived from (), "to feed" or "to graze". Traditionally, botany has also included the study of fungi and algae by mycologists and phycologists respectively, with the study of these three groups of organisms remaining within the sphere of interest of the International Botanical Congress. Nowadays, botanists (in the strict sense) study approximately 410,000 species of land plants of which some 391,000 species are vascular plants (including approximately 369,000 species of flowering plants), and approximately 20,000 are bryophytes. Botany originated in prehistory as herbalism with the efforts of early humans to identify – and later cultivate – ed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Caffeine
Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. It is mainly used recreationally as a cognitive enhancer, increasing alertness and attentional performance. Caffeine acts by blocking binding of adenosine to the adenosine A1 receptor, which enhances release of the neurotransmitter acetylcholine. Caffeine has a three-dimensional structure similar to that of adenosine, which allows it to bind and block its receptors. Caffeine also increases cyclic AMP levels through nonselective inhibition of phosphodiesterase. Caffeine is a bitter, white crystalline purine, a methylxanthine alkaloid, and is chemically related to the adenine and guanine bases of deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). It is found in the seeds, fruits, nuts, or leaves of a number of plants native to Africa, East Asia and South America, and helps to protect them against herbivores and from competition by preventing the germination of nearby seeds, as well as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2013
File:2013 Events Collage V2.png, From left, clockwise: Edward Snowden becomes internationally famous for leaking classified NSA wiretapping information; Typhoon Haiyan kills over 6,000 in the Philippines and Southeast Asia; The Dhaka garment factory collapse in Bangladesh kills over 1,000 people; The streak from the Chelyabinsk meteor that rocketed across the Russian morning sky; Protests occur amid the coup d'état that overthrew President Mohamed Morsi of Egypt; Smoke rises as a result of the Westgate shopping mall attack in Nairobi, Kenya, carried out by Al-Shabaab militants; The Boston Marathon bombing marks the first terrorist attack in the United States since 9/11; Pope Francis is elected to the Papacy in the 2013 papal conclave., 300x300px, thumb rect 0 0 200 200 Edward Snowden rect 200 0 400 200 Typhoon Haiyan rect 400 0 600 200 Dhaka garment factory collapse rect 0 200 300 400 2013 papal conclave rect 300 200 600 400 Chelyabinsk meteor rect 0 400 200 600 Boston Marat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gymnocalycium Bayrianum GN88 69 Spines
''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distribution is Argentina, part of Uruguay, Paraguay, southern Bolivia and part of Brazil. Most species are rather small varying from 4 to 15 centimetres in size. In cultivation they are popular for their easy flowering habits, and the flowers are generally brightly coloured. Where temperatures fall below they must be cultivated under glass with heat. Species * '' Gymnocalycium alboareolatum'' * '' Gymnocalycium amerhauseri'' * '' Gymnocalycium andreae'' * ''Gymnocalycium anisitsii'' * '' Gymnocalycium baldianum'' * '' Gymnocalycium bayrianum'' * '' Gymnocalycium berchtii'' * ''Gymnocalycium bodenbenderianum'' * ''Gymnocalycium bruchii'' * ''Gymnocalycium calochlorum'' * ''Gymnocalycium capillaense'' * ''Gymnocalycium castellanosii'' * ''Gymnoc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arachnoid Leaves Of Unidentified Gazania 2012 07 05 7252s '', an arcade game
{{disambig ...
Arachnoid may refer to: * Relating to arachnids * Arachnoid (astrogeology), a geological structure found only on the planet Venus * Arachnoid (botany), referring to organs with a cobwebby exterior appearance * Arachnoid granulation, small protrusions of the arachnoid mater * Arachnoid mater, a layer of the meninges, membranes that contain the central nervous system See also * ''Arkanoid is a 1986 block breaker arcade game developed and published by Taito. In North America, it was published by Romstar. Controlling a paddle-like craft known as the Vaus, the player is tasked with clearing a formation of colorful blocks by deflect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alyssum Linifolium Leaf2 ST (14931806424)
''Alyssum'' is a genus of over a hundred species of flowering plants in the family Brassicaceae, native to Europe, Asia, and northern Africa, with the highest species diversity in the Mediterranean region. The genus comprises annual and perennial herbaceous plants or (rarely) small shrubs, growing to 10–100 cm tall, with oblong-oval leaves. Alyssum flowers are characteristically small and grouped in terminal clusters; they are often yellow or white colored but can be pink or purple. The genera '' Lobularia'', '' Aurinia'' and '' Odontarrhena'' are closely related to ''Alyssum'' and were formerly included in it. The widely cultivated species popularly known as "sweet alyssum" (''Alyssum maritimum'') is ''Lobularia maritima''. The common rockery plant (''Alyssum saxatile'') is '' Aurinia saxatilis''. ''Alyssum'' foliage is used as food by the caterpillars of certain Lepidoptera, including the Gem (''Orthonama obstipata''). However, rabbits will not eat it. Species Accept ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Starr 070404-6665 Araucaria Cunninghamii
Starr may refer to: People and fictional characters * Starr (surname), a list of people and fictional characters * Starr (given name), a list of people and fictional characters Places United States * Starr, Ohio, an unincorporated community * Starr, South Carolina, a town * Starr County, Texas * Starr Township, Cloud County, Kansas * Starr Township, Hocking County, Ohio * Starr Historic District, Richmond, Indiana * Mount Starr, a mountain in California Antarctica * Starr Peninsula, Ellsworth Land * Starr Lake (McMurdo Station), Ross Island * Starr Nunatak, Victoria Land Elsewhere * Starr Gate, a location in Blackpool, Lancashire, England * 4150 Starr, a minor planet Buildings * Starr House (other), various houses on the United States National Register of Historic Places * Starr Mill, Middletown, Connecticut, on the National Register of Historic Places * Starr Arena, a sports facility in Hamilton, New York, United States Ships * HMS ''Starr'', ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ochrosia Borbonica Fruit 1
''Ochrosia'' is a genus of flowering plants, first described in 1789. It is in the family Apocynaceae, native to Southeast Asia, Australia, and various islands of the Indian and Pacific Oceans. ;Species # '' Ochrosia ackeringae'' – Indonesia, Philippines, Papuasia, Christmas Island # ''Ochrosia acuminata'' Trimen ex Valeton - Sulawesi # ''Ochrosia alyxioides'' Guillaumin - Vanuatu # ''Ochrosia apoensis'' Elmer - Luzon, Mindanao # ''Ochrosia balansae'' (Guillaumin) Baill. ex Guillaumin - New Caledonia # '' Ochrosia basistamina'' Hendrian - Sulawesi # ''Ochrosia bodenheimarum'' Guillaumin - Vallée de la Toutouta in New Caledonia # ''Ochrosia borbonica'' – Mauritius + Réunion; naturalized in Guangdong # '' Ochrosia brevituba'' Boiteau - New Caledonia # ''Ochrosia brownii'' (Fosberg & Sachet) Lorence & Butaud - Nuku Hiva in Marquesas (extinct in the wild) # ''Ochrosia citrodora'' K.Schum. & Lauterb. - New Guinea # ''Ochrosia coccinea'' (Teijsm. & Binn.) Miq. - Maluku, Sulaw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Populus Angustifolia × Balsamifera (5001208139)
''Populus'' is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere. English names variously applied to different species include poplar (), aspen, and cottonwood. The western balsam poplar ('' P. trichocarpa'') was the first tree to have its full DNA code determined by DNA sequencing, in 2006. Description The genus has a large genetic diversity, and can grow from tall, with trunks up to in diameter. The bark on young trees is smooth, white to greenish or dark gray, and often has conspicuous lenticels; on old trees, it remains smooth in some species, but becomes rough and deeply fissured in others. The shoots are stout, with (unlike in the related willows) the terminal bud present. The leaves are spirally arranged, and vary in shape from triangular to circular or (rarely) lobed, and with a long petiole; in species in the sections ''Populus'' and ''Aigeiros'', the petioles are laterally flattened, s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quercus Robur RF
An oak is a tree or shrub in the genus ''Quercus'' (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably '' Lithocarpus'' (stone oaks), as well as in those of unrelated species such as ''Grevillea robusta'' (silky oaks) and the Casuarinaceae (she-oaks). The genus ''Quercus'' is native to the Northern Hemisphere, and includes deciduous and evergreen species extending from cool temperate to tropical latitudes in the Americas, Asia, Europe, and North Africa. North America has the largest number of oak species, with approximately 160 species in Mexico of which 109 are endemic and about 90 in the United States. The second greatest area of oak diversity is China, with approximately 100 species. Description Oaks have spirally arranged leaves, with lobate margins in many species; some have serrated leaves or entire leaves with smooth margins. Ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
