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Solanum Chilense
''Solanum chilense'' is a plant species from the "tomato" subgenus ''Lycopersicon'' within the nightshade genus ''Solanum''. Description ''Solanum chilense'' is a robust, perennial, herbaceous plant that at first grows erect, later lying. It reaches up to high; its foliage reaches a similar diameter. It is found on rocky sites. The grayish stems become woody at the base and reach a diameter of . The dense, velvety coat consists of white, single row, non-glandular trichomes up to 0.5 mm in length and occasional short-row, glandular trichomes with four or achtzelligen heads. The sympodial units have two (rarely three) leaves. The internodes are 1–2 (rarely 5) cm long. The leaves are broken imparipinnate, (often only 5 to) 7 to 13 (rarely to 20) cm long and (rarely 2) 2.5 to 6.5 (rarely to 10) cm wide. They are greyish green. The coat is similar to the stem, but with less glandular trichomes. The sheath consists of five to seven pairs of bulk leaves which are narrowly Ell ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Michel Félix Dunal
Michel Félix Dunal (24 October 1789 in Montpellier – 29 July 1856 in Montpellier) was a French botanist. He was a professor of botany in Montpellier, France. He held the chair of natural history at the University of Montpellier from 1816 until his death in 1856. The Solanaceous plant genus '' Dunalia'' is named after him. He is especially known for his work with the genus ''Solanum'', and published an important work on the genus; ''Solanorum generumque affinium Synopsis seu Solanorum Historiae, editionis secundae summarium ad characteres differentiales redactum, seriem naturalem, habitationes stationesque specierum breviter indicans'', Montpellier, 1816. For the work ''Prodromus systematis naturalis regni vegetabilis'' by Augustin de Candolle and his son, Alphonse Pyrame de Candolle, he contributed to Volume I of 1824 "Cistineae" (modern Cistaceae The Cistaceae are a small family of plants (rock-rose or rock rose family) known for their beautiful shrubs, which are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Trichomes
Trichomes (); ) are fine outgrowths or appendages on plants, algae, lichens, and certain protists. They are of diverse structure and function. Examples are hairs, glandular hairs, scales, and papillae. A covering of any kind of hair on a plant is an indumentum, and the surface bearing them is said to be pubescent. Algal trichomes Certain, usually filamentous, algae have the terminal cell produced into an elongate hair-like structure called a trichome. The same term is applied to such structures in some cyanobacteria, such as '' Spirulina'' and '' Oscillatoria''. The trichomes of cyanobacteria may be unsheathed, as in ''Oscillatoria'', or sheathed, as in '' Calothrix''. These structures play an important role in preventing soil erosion, particularly in cold desert climates. The filamentous sheaths form a persistent sticky network that helps maintain soil structure. Plant trichomes Plant trichomes have many different features that vary between both species of pl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Peru
, image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Firm and Happy for the Union" , national_anthem = "National Anthem of Peru" , march = "March of Flags" , image_map = PER orthographic.svg , map_caption = , image_map2 = , capital = Lima , coordinates = , largest_city = capital , official_languages = Peruvian Spanish, Spanish , languages_type = Co-official languages , languages = , ethnic_groups = , ethnic_groups_year = 2017 , demonym = Peruvians, Peruvian , government_type = Unitary state, Unitary Semi-presidential system, semi-presidential republic , leader_title1 = President of Peru, President ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Andes
The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S latitude), and has an average height of about . The Andes extend from north to south through seven South American countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina. Along their length, the Andes are split into several ranges, separated by intermediate depressions. The Andes are the location of several high plateaus—some of which host major cities such as Quito, Bogotá, Cali, Arequipa, Medellín, Bucaramanga, Sucre, Mérida, El Alto and La Paz. The Altiplano plateau is the world's second-highest after the Tibetan plateau. These ranges are in turn grouped into three major divisions based on climate: the Tropical Andes, the Dry Andes, and the Wet Andes. The Andes Mountains are the highest mountain ra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Tacna Region
Tacna (; Aymara & Quechua: Taqna) is the southernmost department and region in Peru. The Chilean Army occupied the present-day Tacna Department during the War of the Pacific from 1885 to 1929 when it was reincorporated into Peruvian soil. Geography The department of Tacna is bordered by the Pacific Ocean on the west, the department of Moquegua on the north, the department of Puno on the northeast, the Bolivian La Paz Department on the east, and the Arica-Parinacota Region of Chile on the south. The border between the Tacna Region and Chile is known as ''La Línea de la Concordia''. The region is located below the Titicaca plateau and has a diverse geography, including volcanoes, deserts, and mountainous zones, from which arise rivers that go over the punas and the plateaus, thus forming the hydrographical system of this zone. The region is small in size but has a significant mining and agriculture potential. It has various climates and diverse production. Climate This a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Sessility (botany)
In botany, sessility (meaning "sitting", used in the sense of "resting on the surface") is a characteristic of plant parts (such as flowers and leaves) that have no stalk. Plant parts can also be described as subsessile, that is, not completely sessile. A sessile flower is one that lacks a pedicel (flower stalk). A flower that is not sessile is pedicellate. For example, the genus ''Trillium'' is partitioned into two subgenera, the sessile-flowered trilliums (''Trillium'' subg. ''Sessilium'') and the pedicellate-flowered trilliums. Sessile leaves lack petioles (leaf stalks). A leaf that is not sessile is petiolate. For example, the leaves of most monocotyledons lack petioles. The term sessility is also used in mycology to describe a fungal fruit body that is attached to or seated directly on the surface of the substrate Substrate may refer to: Physical layers *Substrate (biology), the natural environment in which an organism lives, or the surface or medium on whic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Elliptic (leaf Shape)
The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular or irregular, may be smooth or bearing hair, bristles or spines. For more terms describing other aspects of leaves besides their overall morphology see the leaf article. The terms listed here all are supported by technical and professional usage, but they cannot be represented as mandatory or undebatable; readers must use their judgement. Authors often use terms arbitrarily, or coin them to taste, possibly in ignorance of established terms, and it is not always clear whether because of ignorance, or personal preference, or because usages change with time or context, or because of variation between specimens, even specimens from the same plant. For example, whether to call leaves on the same tree "acuminate", "lanceolate", or "linear" could ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Imparipinnate
Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals, such as some forms of ice or metal crystals, and in patterns of erosion or stream beds. The term derives from the Latin word ''pinna'' meaning "feather", "wing", or " fin". A similar concept is "pectination," which is a comb-like arrangement of parts (arising from one side of an axis only). Pinnation is commonly referred to in contrast to "palmation," in which the parts or structures radiate out from a common point. The terms "pinnation" and "pennation" are cognate, and although they are sometimes used distinctly, there is no consistent difference in the meaning or usage of the two words.Jackson, Benjamin, Daydon; A Glossary of Botanic Terms with their Derivation and Accent; Published by Gerald Duckworth & Co. London, 4th ed 1928 Plants Botanically, pinnation is an arrangement o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Sympodial
Sympodial growth is a bifurcating branching pattern where one branch develops more strongly than the other, resulting in the stronger branches forming the primary shoot and the weaker branches appearing laterally. A sympodium, also referred to as a sympode or pseudaxis, is the primary shoot, comprising the stronger branches, formed during sympodial growth. The pattern is similar to dichotomous branching; it is characterized by branching along stems or hyphae. In botany, sympodial growth occurs when the apical meristem is terminated and growth is continued by one or more lateral meristems, which repeat the process. The apical meristem may be consumed to make an inflorescence or other determinate structure, or it may be aborted. Types If the sympodium is always formed on the same side of the branch bifurcation, e.g. always on the right side, the branching structure is called a helicoid cyme or bostryx. If the sympodium occurs alternately, e.g. on the right and then the left ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Diameter
In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for the diameter of a sphere. In more modern usage, the length d of a diameter is also called the diameter. In this sense one speaks of diameter rather than diameter (which refers to the line segment itself), because all diameters of a circle or sphere have the same length, this being twice the radius r. :d = 2r \qquad\text\qquad r = \frac. For a convex shape in the plane, the diameter is defined to be the largest distance that can be formed between two opposite parallel lines tangent to its boundary, and the is often defined to be the smallest such distance. Both quantities can be calculated efficiently using rotating calipers. For a curve of constant width such as the Reuleaux triangle, the width and diameter are the same beca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Karl Friedrich Reiche
Karl Friedrich Reiche ( es, Carlos Reiche, October 31, 1860 – February 26, 1929) was a German botanist who worked as a university professor in Chile and Mexico. Life Reiche was born in Dresden and earned his doctorate in 1885 in Leipzig. He worked as a professor in Dresden (1886-1889) and Constitución, Chile (1889-1896). He was a professor in Mexico, and he directed the botanical section of the Chilean National Museum of Natural History (''Museo Nacional de Historia Natural de Chile'') in Santiago de Chile from 1896 to 1911, while Rodolfo Amando Philippi was director. There he published in the ''Annals of the University of Chile'' and at the same time six volumes of the ''Estudios críticos de la Flora de Chile'', work which remained unfinished. Although formally he was recognized as the only author of this work, probably he collaborated with Federico Philippi and F. Johow. He wrote the entries to many plant families in the work ''Die natürlichen Pflanzenfamilien'' by A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Herbaceous Plant
Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of the '' Shorter Oxford English Dictionary'' defines "herb" as: #"A plant whose stem does not become woody and persistent (as in a tree or shrub) but remains soft and succulent, and dies (completely or down to the root) after flowering"; #"A (freq. aromatic) plant used for flavouring or scent, in medicine, etc.". (See: Herb) The same dictionary defines "herbaceous" as: #"Of the nature of a herb; esp. not forming a woody stem but dying down to the root each year"; #"BOTANY Resembling a leaf in colour or texture. Opp. scarious". Botanical sources differ from each other on the definition of "herb". For instance, the Hunt Institute for Botanical Documentation includes the condition "when persisting over more than one growing season, the par ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |