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Bartonia (journal)
''Bartonia'' is a genus of the gentian family, tribe Gentianeae, subtribe Swertiinae. Members of this genus are called screwstems. ''Bartonia'' was also the name of a genus in the Loasaceae family, but those species are now generally classified under the genus '' Mentzelia''. , Kew's Plants of the World Online accepts three species of ''Bartonia'': *''Bartonia paniculata'' *''Bartonia verna'' *''Bartonia virginica ''Bartonia virginica'' is species of flowering plant in Gentianaceae. It is the commonly called yellow screwstem or yellow bartonia and it is an annual species with small pale green to yellow flowers. Description ''Bartonia virginica'' is an ann ...'' References Gentianaceae Gentianaceae genera Taxa named by Gotthilf Heinrich Ernst Muhlenberg {{Gentianales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bartonia Verna
''Bartonia'' is a genus of the gentian family, tribe Gentianeae, subtribe Swertiinae. Members of this genus are called screwstems. ''Bartonia'' was also the name of a genus in the Loasaceae family, but those species are now generally classified under the genus ''Mentzelia''. , Kew's Plants of the World Online accepts three species of ''Bartonia'': *''Bartonia paniculata ''Bartonia'' is a genus of the gentian family, tribe Gentianeae, subtribe Swertiinae. Members of this genus are called screwstems. ''Bartonia'' was also the name of a genus in the Loasaceae family, but those species are now generally classified ...'' *'' Bartonia verna'' *'' Bartonia virginica'' References Gentianaceae Gentianaceae genera Taxa named by Gotthilf Heinrich Ernst Muhlenberg {{Gentianales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gotthilf Henry Ernest Muhlenberg
Gotthilf Heinrich Ernst Muhlenberg (17 November 1753 – 23 May 1815) was an American clergyman and botanist. Biography The son of Heinrich Melchior Muhlenberg, he was born in Trappe, Pennsylvania. He was educated at Franckesche Stiftungen in Halle starting in 1763 and in 1769 at the University of Halle. He returned to Pennsylvania in September 1770 and was ordained as a Lutheran minister. He served first in Pennsylvania and then as a pastor in New Jersey. He received a Doctor of Divinity degree from Princeton University. He married Mary Catherine Hall in 1774, with whom he would go on to have eight children. Despite his family beginning to take root in Philadelphia, Muhlenberg found he had no choice but to flee Philadelphia upon the outbreak of Revolutionary War hostilities in the region. Returning to his hometown of Trappe, he took up the study of botany. He served as the pastor of Holy Trinity Church in Lancaster, Pennsylvania from 1780 through 1815. In 1785, he was el ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carl Ludwig Willdenow
Carl Ludwig Willdenow (22 August 1765 – 10 July 1812) was a German botanist, pharmacist, and plant taxonomist. He is considered one of the founders of phytogeography, the study of the geographic distribution of plants. Willdenow was also a mentor of Alexander von Humboldt, one of the earliest and best known phytogeographers. He also influenced Christian Konrad Sprengel, who pioneered the study of plant pollination and floral biology. Biography Willdenow was born in Berlin and studied medicine and botany at the University of Halle. After studying pharmaceutics at Wieglieb College, Langensalza and in medicine at Halle, he returned to Berlin to work at his father's pharmacy located in the Unter den Linden. His early interest in botany was kindled by his uncle J. G. Gleditsch and he started a herbarium collection in his teenage years. In 1794 he became a member of the Berlin Academy of Sciences. He was a director of the Botanical garden of Berlin from 1801 until his death. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gentianaceae
Gentianaceae is a family of flowering plants of 103 genera and about 1600 species. Etymology The family takes its name from the genus '' Gentiana'', named after the Illyrian king Gentius. Distribution Distribution is cosmopolitan. Characteristics The family consists of trees, shrubs and herbs showing a wide range of colours and floral patterns. Flowers are actinomorphic and bisexual with fused sepals and petals. The stamens are attached to the inside of the petals ( epipetalous) and alternate with the corolla lobes. There is a glandular disk at the base of the gynoecium, and flowers have parietal placentation. The inflorescence is cymose, with simple or complex cymes. The fruits are dehiscent septicidal capsules splitting into two halves, rarely some species have a berry. Seeds are small with copiously oily endosperms and a straight embryo. The habit varies from small trees, pachycaul shrubs to (usually) herbs, with ascending, erect or twining stems. Plants are usually ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Loasaceae
Loasaceae is a family of 15–20 genera and about 200–260 species of flowering plants in the order Cornales, native to the Americas and Africa. Members of the family include annual, biennial and perennial herbaceous plants, and a few shrubs and small trees. Members of the subfamily Loasoideae are known to exhibit rapid thigmonastic stamen movement when pollinators are present. Taxonomy In the classification system of Dahlgren the Loasaceae were placed in the order Loasales in the superorder Loasiflorae (also called Loasanae). The Angiosperm Phylogeny Group system places them in the related order Cornales in the asterid clade. Subdivision Genera include: *''Aosa'' Weigend (sometimes included in ''Loasa'') *''Blumenbachia'' Schrad. *''Caiophora'' C. Presl *''Cevallia'' Lag. *''Chichicaste'' Weigend (sometimes included in ''Loasa'') *''Eucnide'' Zucc. *''Fuertesia'' Urb. *'' Grausa'' Weigend & R.H.Acuña *''Gronovia'' L. *''Huidobria'' Gay (sometimes included in ''Loasa'') ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mentzelia
''Mentzelia'' is a genus of about 60-70 species of flowering plants in the family (biology), family Loasaceae, native to the Americas. The genus comprises annual plant, annual, biennial plant, biennial, and perennial plant, perennial herbaceous plants and a few shrubs. They are commonly called blazing stars or stickleafs; other names include evening stars and moonflowers. Selected species *''Mentzelia affinis'' Greene – Yellowcomet *''Mentzelia albescens'' (Gillies & Arn.) Griseb. *''Mentzelia albicaulis'' (Douglas ex Hook.) Douglas ex Torr. & A.Gray – Whitestem blazingstar *''Mentzelia aspera'' L. *''Mentzelia candelariae'' H.J. Thomp. & Prigge – Candelaria blazingstar *''Mentzelia chrysantha'' Engelm. ex Brandegee *''Mentzelia congesta'' Nutt. ex Torr. & A.Gray – United blazingstar *''Mentzelia conzattii'' Greenm. *''Mentzelia cordifolia'' Dombey ex Urb. & Gilg *''Mentzelia crocea'' Kellogg – Sierra blazingstar *''Mentzelia decapetala'' (Pursh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plants Of The World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by 2020". The initial focus was on tropical African Floras, particularly Flora Zambesiaca, Flora of West Tropical Africa and Flora of Tropical East Africa. The database uses the same taxonomical source as Kew's World Checklist of Selected Plant Families, which is the International Plant Names Index, and the World Checklist of Vascular Plants (WCVP). POWO contains 1,234,000 global plant names and 367,600 images. See also *Australian Plant Name Index *Convention on Biological Diversity *World Flora Online *Tropicos Tropicos is an online botanical database containing taxonomic information on plants, mainly from the Neotropical realm (Central, and South America). It is maintained by the Missouri Botanical Garden and was established over 25 y ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bartonia Paniculata
''Bartonia'' is a genus of the gentian family, tribe Gentianeae, subtribe Swertiinae. Members of this genus are called screwstems. ''Bartonia'' was also the name of a genus in the Loasaceae family, but those species are now generally classified under the genus ''Mentzelia''. , Kew's Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ... accepts three species of ''Bartonia'': *'' Bartonia paniculata'' *'' Bartonia verna'' *'' Bartonia virginica'' References Gentianaceae Gentianaceae genera Taxa named by Gotthilf Heinrich Ernst Muhlenberg {{Gentianales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bartonia Virginica
''Bartonia virginica'' is species of flowering plant in Gentianaceae. It is the commonly called yellow screwstem or yellow bartonia and it is an annual species with small pale green to yellow flowers. Description ''Bartonia virginica'' is an annual plant, that typically has simple stems that are wiry and erect. The stems are 1–4 dm tall, with opposite, strongly ascending branches. The leaves are scale-like usually opposite. The flowers are arranging in racemose or paniculate inflorescence, which have commonly opposite, very upright branches and pedicels. Each flower is 3–4 mm long with lance-subulate shaped sepals. The petals are oblong in shape and usually have denticulate margins and are abruptly narrowed to a rounded or obtuse, often mucronate tip. The anthers are minutely apiculate. It flowers late summer. The diploid (2n) chromosome count is fifty-two. Habitat ''Bartonia virginica'' grows in sphagnum bogs and wet meadows, where it is found in acids bogs with sphagnum o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Botanic Gardens, Kew
Royal Botanic Gardens, Kew is a non-departmental public body in the United Kingdom sponsored by the Department for Environment, Food and Rural Affairs. An internationally important botanical research and education institution, it employs 1,100 staff. Its board of trustees is chaired by Dame Amelia Fawcett. The organisation manages botanic gardens at Kew in Richmond upon Thames in south-west London, and at Wakehurst, a National Trust property in Sussex which is home to the internationally important Millennium Seed Bank, whose scientists work with partner organisations in more than 95 countries. Kew, jointly with the Forestry Commission, founded Bedgebury National Pinetum in Kent in 1923, specialising in growing conifers. In 1994, the Castle Howard Arboretum Trust, which runs the Yorkshire Arboretum, was formed as a partnership between Kew and the Castle Howard Estate. In 2019, the organisation had 2,316,699 public visitors at Kew, and 312,813 at Wakehurst. Its site at Kew ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gentianaceae Genera
Gentianaceae is a family of flowering plants of 103 genera and about 1600 species. Etymology The family takes its name from the genus ''Gentiana'', named after the Illyrian king Gentius. Distribution Distribution is cosmopolitan. Characteristics The family consists of trees, shrubs and herbs showing a wide range of colours and floral patterns. Flowers are actinomorphic and bisexual with fused sepals and petals. The stamens are attached to the inside of the petals ( epipetalous) and alternate with the corolla lobes. There is a glandular disk at the base of the gynoecium, and flowers have parietal placentation. The inflorescence is cymose, with simple or complex cymes. The fruits are dehiscent septicidal capsules splitting into two halves, rarely some species have a berry. Seeds are small with copiously oily endosperms and a straight embryo. The habit varies from small trees, pachycaul shrubs to (usually) herbs, with ascending, erect or twining stems. Plants are usually rhizomato ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
