Alsobia Punctata
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Alsobia Punctata
''Alsobia'' is a genus of flowering plants in the family Gesneriaceae, native to Mexico, Guatemala, and Costa Rica. It contains four species. The species in the genus are succulent and stoloniferous herbs. They were previously included in the genus ''Episcia,'' but recent molecular studies have supported the separation of ''Alsobia'' from ''Episcia''. Species *''Alsobia dianthiflora ''Alsobia'' is a genus of flowering plants in the family Gesneriaceae, native to Mexico, Guatemala, and Costa Rica. It contains four species. The species in the genus are succulent and stoloniferous herbs. They were previously included in the ...'' (syn. ''Episcia dianthiflora'') *'' Alsobia punctata'' (syn. ''Episcia punctata'') *''Alsobia chiapensis'' *''Alsobia baroniae'' Further reading *Wiehler, H. 1978. The genera ''Episcia'', ''Alsobia'', ''Nautilocalyx'', and ''Paradrymonia'' (Gesneriaceae). ''Selbyana'' 5: 11–60. References External links''Alsobia''from thGesneriad Reference ...
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Johannes Ludwig Emil Robert Von Hanstein
Johannes Ludwig Emil Robert von Hanstein (15 May 1822 – 27 August 1880) was a German botanist who was a native of Potsdam. He attended classes at the ''Gärtnerlehranstalt'' (Institute of Horticulture) in Potsdam, and later studied sciences in Berlin, obtaining his doctorate in 1848. In 1855 he was a lecturer of botany at the University of Berlin, and six years later became curator of the royal herbarium. In 1865 he was appointed professor of botany at the University of Bonn and director of the botanical garden. Hanstein is remembered for studies in plant anatomy and morphology. In 1868 he introduced the " histogen theory" to explain shoot apex behaviour in plants. With his close friend, Nathanael Pringsheim (1823–1894), he conducted pioneer research on the fertilization process in ferns. The plant genus '' Hansteinia'' of the family Acanthaceae is named after him. Gallery File:Capsella bursa-pastoris, kiembol (Hanstein).jpg, ''Capsella bursa-pastoris'' drawing by Joha ...
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Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus comes above species and below family (taxonomy), family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants ...
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Flowering Plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants that produce their seeds enclosed within a fruit. They are by far the most diverse group of land plants with 64 orders, 416 families, approximately 13,000 known genera and 300,000 known species. Angiosperms were formerly called Magnoliophyta (). Like gymnosperms, angiosperms are seed-producing plants. They are distinguished from gymnosperms by characteristics including flowers, endosperm within their seeds, and the production of fruits that contain the seeds. The ancestors of flowering plants diverged from the common ancestor of all living gymnosperms before the end of the Carboniferous, over 300 million years ago. The closest fossil relatives of flowering plants are uncertain and contentious. The earliest angiosperm fossils ar ...
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Gesneriaceae
Gesneriaceae, the gesneriad family, is a family of flowering plants consisting of about 152 genera and ca. 3,540 species in the tropics and subtropics of the Old World (almost all Didymocarpoideae) and the New World (most Gesnerioideae), with a very small number extending to temperate areas. Many species have colorful and showy flowers and are cultivated as ornamental plants. Etymology The family name is based on the genus ''Gesneria'', which honours Swiss naturalist and humanist Conrad Gessner. Description Most species are herbaceous perennials or subshrubs but a few are woody shrubs or small trees. The phyllotaxy is usually opposite and decussate, but leaves have a spiral or alternate arrangement in some groups. As with other members of the Lamiales the flowers have a (usually) zygomorphic corolla whose petals are fused into a tube and there is no one character that separates a gesneriad from any other member of Lamiales. Gesneriads differ from related families of the ...
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Succulent
In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid climates or soil conditions. The word ''succulent'' comes from the Latin word ''sucus'', meaning "juice" or "sap". Succulent plants may store water in various structures, such as leaves and stems. The water content of some succulent organs can get up to 90–95%, such as '' Glottiphyllum semicyllindricum'' and '' Mesembryanthemum barkleyii''. Some definitions also include roots, thus geophytes that survive unfavorable periods by dying back to underground storage organs may be regarded as succulents. The habitats of these water-preserving plants are often in areas with high temperatures and low rainfall, such as deserts, but succulents may be found even in alpine ecosystems growing in rocky soil. Succulents are characterized by their ability to thrive on limited water sources, such as mist and dew, which makes them equipped to s ...
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Stolon
In biology, stolons (from Latin '' stolō'', genitive ''stolōnis'' – "branch"), also known as runners, are horizontal connections between organisms. They may be part of the organism, or of its skeleton; typically, animal stolons are external skeletons. In botany In botany, stolons are stems which grow at the soil surface or just below ground that form adventitious roots at the nodes, and new plants from the buds. Stolons are often called runners. Rhizomes, in contrast, are root-like stems that may either grow horizontally at the soil surface or in other orientations underground. Thus, not all horizontal stems are called stolons. Plants with stolons are called stoloniferous. A stolon is a plant propagation strategy and the complex of individuals formed by a mother plant and all its clones produced from stolons form a single genetic individual, a genet. Morphology Stolons may or may not have long internodes. The leaves along the stolon are usually very small, but in a few ...
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Herb
In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal purposes, or for fragrances. Culinary use typically distinguishes herbs from spices. ''Herbs'' generally refers to the leafy green or flowering parts of a plant (either fresh or dried), while ''spices'' are usually dried and produced from other parts of the plant, including seeds, bark, roots and fruits. Herbs have a variety of uses including culinary, medicinal, aromatic and in some cases, spiritual. General usage of the term "herb" differs between culinary herbs and medicinal herbs; in medicinal or spiritual use, any parts of the plant might be considered as "herbs", including leaves, roots, flowers, seeds, root bark, inner bark (and cambium), resin and pericarp. The word "herb" is pronounced in Commonwealth English, but is common am ...
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Episcia
''Episcia'' is a genus of flowering plants in the African violet family, Gesneriaceae. The ten species it contains are native to the tropical regions of Central and South America. The species are perennial herbaceous plants characterized by a stoloniferous habit, red (rarely orange, pink, blue or yellow) flowers, and frequently have marked or patterned leaves. Episcias are sometimes called flame violets. Taxonomy The genus name is derived from the Greek επισκισς (''episkios''), meaning "shaded". This refers to the understory habitat of these plants. For much of the twentieth century ''Episcia'' had a broad circumscription but since 1978 has been restricted to a much narrower one, with the genera '' Paradrymonia'', ''Chrysothemis'', ''Nautilocalyx'', and ''Alsobia'' separated from it. The segregation of these genera from ''Episcia'' has been supported in recent molecular phylogenies. Species Section ''Episcia'' * '' Episcia andina'' Wiehler * '' Episcia cupreata'' ...
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Alsobia Dianthiflora
''Alsobia'' is a genus of flowering plants in the family Gesneriaceae, native to Mexico, Guatemala, and Costa Rica. It contains four species. The species in the genus are succulent and stoloniferous herbs. They were previously included in the genus ''Episcia ''Episcia'' is a genus of flowering plants in the African violet family, Gesneriaceae. The ten species it contains are native to the tropical regions of Central and South America. The species are perennial herbaceous plants characterized by a sto ...,'' but recent molecular studies have supported the separation of ''Alsobia'' from ''Episcia''. Species *'' Alsobia dianthiflora'' (syn. ''Episcia dianthiflora'') *'' Alsobia punctata'' (syn. ''Episcia punctata'') *''Alsobia chiapensis'' *''Alsobia baroniae'' Further reading *Wiehler, H. 1978. The genera ''Episcia'', ''Alsobia'', ''Nautilocalyx'', and ''Paradrymonia'' (Gesneriaceae). ''Selbyana'' 5: 11–60. References External links''Alsobia''from thGesneriad Referenc ...
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Alsobia Punctata
''Alsobia'' is a genus of flowering plants in the family Gesneriaceae, native to Mexico, Guatemala, and Costa Rica. It contains four species. The species in the genus are succulent and stoloniferous herbs. They were previously included in the genus ''Episcia,'' but recent molecular studies have supported the separation of ''Alsobia'' from ''Episcia''. Species *''Alsobia dianthiflora ''Alsobia'' is a genus of flowering plants in the family Gesneriaceae, native to Mexico, Guatemala, and Costa Rica. It contains four species. The species in the genus are succulent and stoloniferous herbs. They were previously included in the ...'' (syn. ''Episcia dianthiflora'') *'' Alsobia punctata'' (syn. ''Episcia punctata'') *''Alsobia chiapensis'' *''Alsobia baroniae'' Further reading *Wiehler, H. 1978. The genera ''Episcia'', ''Alsobia'', ''Nautilocalyx'', and ''Paradrymonia'' (Gesneriaceae). ''Selbyana'' 5: 11–60. References External links''Alsobia''from thGesneriad Reference ...
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Gesnerioideae
The Gesnerioideae are a subfamily of plants in the family Gesneriaceae: based on the type genus ''Gesneria''. Although genera typically originate in the New World, some species have become widely distributed as ornamental plants. Description Gesnerioideae is one of two main subfamilies in the Gesneriaceae, the other being Didymocarpoideae. (The third subfamily, Sanangoideae, contains only the genus ''Sanango''.) Gesnerioideae seedlings have normal cotyledons of the same size and shape (isocotylous), whereas the cotyledons of Didymocarpoideae are usually, but not always, eventually different in size and shape (anisocotylous). Gesnerioideae flowers usually have four fertile stamens, rarely two or five. In other respects, Gesnerioideae species are very variable. The Ovary (botany), ovary may be superior, semi-inferior or inferior, and the fruit takes various forms. Taxonomy The original use of the name for the subfamily is attributed to Gilbert Thomas Burnett in 1835. Burnett divide ...
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Flora Of Costa Rica
Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central American region of North America, bordered by Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, the Pacific Ocean to the southwest, and maritime border with Ecuador to the south of Cocos Island. It has a population of around five million in a land area of . An estimated 333,980 people live in the capital and largest city, San José, with around two million people in the surrounding metropolitan area. The sovereign state is a unitary presidential constitutional republic. It has a long-standing and stable democracy and a highly educated workforce. The country spends roughly 6.9% of its budget (2016) on education, compared to a global average of 4.4%. Its economy, once heavily dependent on agriculture, has diversified to include sectors such as finance, corporate services for foreign companies, pharma ...
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