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Graderia Subintegra, Helmdrade, Veldblomstappie, Faerie Glen NR, A
''Graderia'' is a genus of plants in the family Orobanchaceae, which is native to Africa and Socotra. It belongs to the tribe Buchnereae. It is a hemiparasitic taxon. Etymology ''Graderia'' is a taxonomic anagram derived from the name of the confamilial genus '' Gerardia''. The latter name is a taxonomic patronym honoring the English botanist John Gerard. Description Sometimes a suffrutex with stems growing from a woody rhizome. Leaves may be opposite or alternate. The solitary flowers appear in the axils, and have a five-lobed calyx and corolla. The flower is tubular with four stamens, in pairs of unequal length. Each stamen has two divergent, oblong and curved thecae. The two-locular ovary has numerous ovules, and produces numerous seeds in a fruit capsule. Systematics The genus includes some 4 species. * '' Graderia fruticosa'' Balf.f. Sir Isaac Bayley Balfour, KBE, FRS, FRSE (31 March 1853 – 30 November 1922) was a Scottish botanist. He was Regius Professor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graderia Subintegra
''Graderia subintegra'' is a species of plant in the family Orobanchaceae Orobanchaceae, the broomrapes, is a family of mostly parasitic plants of the order Lamiales, with about 90 genera and more than 2000 species. Many of these genera (e.g., ''Pedicularis'', ''Rhinanthus'', ''Striga'') were formerly included in the .... It is found in grasslands and on rocky outcrops in southern Africa. It flowers from September to November. Description A perennial low shrub, growing from a somewhat woody rootstock. The trailing or ascending stems radiate from the crown of the root. References Orobanchaceae {{Orobanchaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Patronym (taxonomy)
A species description is a formal description of a newly discovered species, usually in the form of a scientific paper. Its purpose is to give a clear description of a new species of organism and explain how it differs from species that have been described previously or are related. In order for species to be validly described, they need to follow guidelines established over time. Zoological naming requires adherence to the ICZN code, plants, the ICN, viruses ICTV, and so on. The species description often contains photographs or other illustrations of type material along with a note on where they are deposited. The publication in which the species is described gives the new species a formal scientific name. Some 1.9 million species have been identified and described, out of some 8.7 million that may actually exist. Millions more have become extinct throughout the existence of life on Earth. Naming process A name of a new species becomes valid (available in zoolo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graderia Scabra
''Graderia'' is a genus of plants in the family Orobanchaceae, which is native to Africa and Socotra. It belongs to the tribe Buchnereae. It is a hemiparasitic taxon. Etymology ''Graderia'' is a taxonomic anagram derived from the name of the confamilial genus '' Gerardia''. The latter name is a taxonomic patronym honoring the English botanist John Gerard. Description Sometimes a suffrutex with stems growing from a woody rhizome. Leaves may be opposite or alternate. The solitary flowers appear in the axils, and have a five-lobed calyx and corolla. The flower is tubular with four stamens, in pairs of unequal length. Each stamen has two divergent, oblong and curved thecae. The two-locular ovary has numerous ovules, and produces numerous seeds in a fruit capsule. Systematics The genus includes some 4 species. * '' Graderia fruticosa'' Balf.f. is endemic to Socotra. * '' Graderia linearifolia'' Codd * '' Graderia scabra'' Benth. * ''Graderia subintegra ''Graderia subintegra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graderia Linearifolia
''Graderia'' is a genus of plants in the family Orobanchaceae, which is native to Africa and Socotra. It belongs to the tribe Buchnereae. It is a hemiparasitic taxon. Etymology ''Graderia'' is a taxonomic anagram derived from the name of the confamilial genus '' Gerardia''. The latter name is a taxonomic patronym honoring the English botanist John Gerard. Description Sometimes a suffrutex with stems growing from a woody rhizome. Leaves may be opposite or alternate. The solitary flowers appear in the axils, and have a five-lobed calyx and corolla. The flower is tubular with four stamens, in pairs of unequal length. Each stamen has two divergent, oblong and curved thecae. The two-locular ovary has numerous ovules, and produces numerous seeds in a fruit capsule. Systematics The genus includes some 4 species. * '' Graderia fruticosa'' Balf.f. is endemic to Socotra. * '' Graderia linearifolia'' Codd * ''Graderia scabra'' Benth. * ''Graderia subintegra ''Graderia subintegra' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isaac Bayley Balfour
Sir Isaac Bayley Balfour, KBE, FRS, FRSE (31 March 1853 – 30 November 1922) was a Scottish botanist. He was Regius Professor of Botany at the University of Glasgow from 1879 to 1885, Sherardian Professor of Botany at the University of Oxford from 1884 to 1888, and Professor of Botany at the University of Edinburgh from 1888 to 1922. Early life He was the son of John Hutton Balfour, also a botanist, and Marion Spottiswood Bayley, and was born at home, 27 Inverleith Row, Edinburgh. His mother was granddaughter of George Husband Baird. He was the cousin of Sir James Crichton-Browne. Biography Balfour was educated at the Edinburgh Academy from 1864 to 1870. At this early stage his interests and abilities were in the biological sciences, which were taught to him by his father. Due to his father's post as Professor of Botany at Edinburgh, the young Balfour was able to visit the Edinburgh Botanical Gardens, not open to the public at the time. Balfour studied at the University ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graderia Fruticosa
''Graderia fruticosa'' is a species of plant in the family Orobanchaceae. It is endemic to Yemen. Its natural habitats are subtropical or tropical dry shrubland Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominated by shrubs, often also including grasses, herbs, and geophytes. Shrubland may either occur naturally or be the result of human activity. It m ... and rocky areas. References Orobanchaceae Endemic flora of Socotra Vulnerable plants Taxonomy articles created by Polbot Taxa named by Isaac Bayley Balfour {{Orobanchaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theca
In biology, a theca (plural thecae) is a sheath or a covering. Botany In botany, the theca is related to plant's flower anatomy. The theca of an angiosperm consists of a pair of microsporangia that are adjacent to each other and share a common area of dehiscence called the stomium. Larry Hufford, "The origin and early evolution of angiosperm stamens" i''The Anther: form, function, and phylogeny'' William G. D'Arcy and Richard C. Keating (editors), Cambridge University Press, 1996, 351pp, p.60, (from Google Books) Any part of a microsporophyll that bears microsporangia is called an anther. Most anthers are formed on the apex of a filament. An anther and its filament together form a typical (or filantherous) stamen, part of the male floral organ. The typical anther is bilocular, i.e. it consists of two thecae. Each theca contains two microsporangia, also known as pollen sacs. The microsporangia produce the microspores, which for seed plants are known as pollen grains. If t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graderia Subintegra, Helmdrade, Veldblomstappie, Faerie Glen NR, A
''Graderia'' is a genus of plants in the family Orobanchaceae, which is native to Africa and Socotra. It belongs to the tribe Buchnereae. It is a hemiparasitic taxon. Etymology ''Graderia'' is a taxonomic anagram derived from the name of the confamilial genus '' Gerardia''. The latter name is a taxonomic patronym honoring the English botanist John Gerard. Description Sometimes a suffrutex with stems growing from a woody rhizome. Leaves may be opposite or alternate. The solitary flowers appear in the axils, and have a five-lobed calyx and corolla. The flower is tubular with four stamens, in pairs of unequal length. Each stamen has two divergent, oblong and curved thecae. The two-locular ovary has numerous ovules, and produces numerous seeds in a fruit capsule. Systematics The genus includes some 4 species. * '' Graderia fruticosa'' Balf.f. Sir Isaac Bayley Balfour, KBE, FRS, FRSE (31 March 1853 – 30 November 1922) was a Scottish botanist. He was Regius Professor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Gerard
John Gerard (also John Gerarde, c. 1545–1612) was an English herbalist with a large garden in Holborn, now part of London. His 1,484-page illustrated ''Herball, or Generall Historie of Plantes'', first published in 1597, became a popular gardening and herbal book in English in the 17th century. Except for some added plants from his own garden and from North America, Gerard's ''Herbal'' is largely a plagiarized English translation of Rembert Dodoens's 1554 herbal, itself highly popular in Dutch, Latin, French and other English translations. Gerard's ''Herball'' drawings of plants and the printer's woodcuts are mainly derived from Continental European sources, but there is an original title page with a copperplate engraving by William Rogers. Two decades after Gerard's death, the book was corrected and expanded to about 1,700 pages. Life Early life and education Gerard was born at Nantwich, Cheshire, towards the end of 1545, receiving his only schooling at nearby Willaston, ab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Agalinis
''Agalinis'' (false foxglove) is a genus of about 70 species in North, Central, and South America that until recently was aligned with members of the family Scrophulariaceae. As a result of numerous molecular phylogenetic studies based on various chloroplast DNA (cpDNA) loci, it was shown to be more closely related to members of the Orobanchaceae. ''Agalinis'' species are hemiparasitic, which is a character that in part describes the Orobanchaceae. The first detailed study of this genus began with Francis W. Pennell around 1908, and his earliest major publication of the North American members of this genus appeared in 1913. Dr. Judith Canne-Hilliker began to revise Pennell's treatment in 1977. Her taxonomic, anatomical, and developmental studies have greatly enhanced our understanding of this sometimes perplexing group. In particular, her studies of the seed surfaces using electron microscopy has shown that the seeds are diagnostic for delimiting species and has resulted in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Bentham
George Bentham (22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as "the premier systematic botanist of the nineteenth century". Born into a distinguished family, he initially studied law, but had a fascination with botany from an early age, which he soon pursued, becoming president of the Linnaean Society in 1861, and a fellow of the Royal Society in 1862. He was the author of a number of important botanical works, particularly flora. He is best known for his taxonomic classification of plants in collaboration with Joseph Dalton Hooker, his ''Genera Plantarum'' (1862–1883). He died in London in 1884. Life Bentham was born in Stoke, Plymouth, on 22 September 1800.Jean-Jacques Amigo, « Bentham (George) », in Nouveau Dictionnaire de biographies roussillonnaises, vol. 3 Sciences de la Vie et de la Terre, Perpignan, Publications de l'olivier, 2017, 915 p. () His father, Sir Samuel Bentham, a naval architect, was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
