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Cycnium Tubulosum
''Cycnium tubulosum'', also known as the vlei ink-flower and the tissue paper flower, is a slender hemiparasitic perennial plant of the broomrape family. Its range includes much of southern and eastern Africa, from South Africa to Ethiopia, including Madagascar. It has creeping, straggling or upright stems, with few narrow, entire leaves and erect, white or pinkish, slightly zygomorph flowers on a long tube, with five lobes, reminiscent of a ''Phlox''-flower. It may not always be fully dependent on the supply of minerals by other plants, but usually makes connections with the roots of grasses. It can be found in moist, short grasslands, reaching altitudes of about . Its conservation status in South-Africa is "least concern". Description The vlei ink-flower is a hairless or nearly hairless, hemiparasitic, high perennial herbaceous plant, with angular stems having four flat sides, which are creeping, straggling or upright, that may have side branches or not, and sometimes there ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Adolf Engler
Heinrich Gustav Adolf Engler (25 March 1844 – 10 October 1930) was a German botanist. He is notable for his work on alpha taxonomy, plant taxonomy and phytogeography, such as ''Die natürlichen Pflanzenfamilien'' (''The Natural Plant Families''), edited with Karl Anton Eugen Prantl, Karl A. E. von Prantl. Even now, his system of plant classification, the Engler system, is still used by many Herbarium, herbaria and is followed by writers of many manuals and Flora (plants), floras. It is still the only system that treats all 'plants' (in the wider sense, algae to flowering plants) in such depth. Engler published a prodigious number of taxonomic works. He used various artists to illustrate his books, notably Joseph Pohl (1864–1939), an illustrator who had served an apprenticeship as a wood-engraver. Pohl's skill drew Engler's attention, starting a collaboration of some 40 years. Pohl produced more than 33 000 drawings in 6 000 plates for ''Die naturlichen Pflanzenfamilien''. He ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stamen
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament and an anther which contains ''sporangium, microsporangia''. Most commonly anthers are two-lobed and are attached to the filament either at the base or in the middle area of the anther. The sterile tissue between the lobes is called the connective, an extension of the filament containing conducting strands. It can be seen as an extension on the dorsal side of the anther. A pollen grain develops from a microspore in the microsporangium and contains the male gametophyte. The stamens in a flower are collectively called the androecium. The androecium can consist of as few as one-half stamen (i.e. a single locule) as in ''Canna (plant), Canna'' species or as many as 3,482 stamens which have been counted in the saguaro (''Carnegiea gigantea'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cycnium Adonense
''Cycnium'' is a genus of flowering plants in the family Orobanchaceae. Its native range is tropical and southern Africa and Madagascar. Plants in this genus are annual or perennial hemiparasitic herbs or small shrubs that turn black when they die. Leaves usually occur opposite or near-opposite, but occasionally alternate or in whorls of three. Leaves may pinnatisect or bipinnatisect, with incised or entire margins, and may be sessile or shortly petiolate. Flowers may be terminally spicate or racemose, solitary- axillary, or supra-axillary. Flowers are edicellate to sessile or subsessile. Bracts are leaf-like. In species in which they are present, bracteoles are inserted on the pedicel or are adnate to the base of the calyx tube. The tube-ridged calyx has 4-5 lobes which are equal or subequal. The corolla is 5-lobed and salver-form. The tube is curved, bent, or straight, covered with stipitate glands and with a unilaterally bearded throat. The limb is bilabiate and zygomorphic, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DNA Sequencing
DNA sequencing is the process of determining the nucleic acid sequence – the order of nucleotides in DNA. It includes any method or technology that is used to determine the order of the four bases: adenine, guanine, cytosine, and thymine. The advent of rapid DNA sequencing methods has greatly accelerated biological and medical research and discovery. Knowledge of DNA sequences has become indispensable for basic biological research, DNA Genographic Projects and in numerous applied fields such as medical diagnosis, biotechnology, forensic biology, virology and biological systematics. Comparing healthy and mutated DNA sequences can diagnose different diseases including various cancers, characterize antibody repertoire, and can be used to guide patient treatment. Having a quick way to sequence DNA allows for faster and more individualized medical care to be administered, and for more organisms to be identified and cataloged. The rapid speed of sequencing attained with modern D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Combinatio Nova
''Combinatio nova'', abbreviated ''comb. nov.'' (sometimes ''n. comb.''), is Latin for "new combination". It is used in taxonomic biology literature when a new name is introduced based on a pre-existing name. The term should not to be confused with ', used for a previously unnamed species. There are three situations: * the taxon is moved to a different genus * an infraspecific taxon is moved to a different species * the rank of the taxon is changed. Examples When an earlier named species is assigned to a different genus, the new genus name is combined with of said species, e.g. when ''Calymmatobacterium granulomatis'' was renamed ''Klebsiella granulomatis'', it was referred to as ''Klebsiella granulomatis comb. nov.'' to denote it was a new combination. See also * Glossary of scientific naming * Basionym * List of Latin phrases * Nomenclature code Nomenclature codes or codes of nomenclature are the various rulebooks that govern biological taxonomic nomenclature, each in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhamphicarpa
''Rhamphicarpa'' is a genus of flowering plants belonging to 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 .... Its native range is Tropical and Southern Africa, Madagascar, Turkey to the Caucasus, India, New Guinea to Northern Australia. Species: *'' Rhamphicarpa australiensis'' *'' Rhamphicarpa brevipedicellata'' *'' Rhamphicarpa capillacea'' *'' Rhamphicarpa elongata'' *'' Rhamphicarpa fistulosa'' *'' Rhamphicarpa medwedewii'' References {{Taxonbar, from=Q5195902 Orobanchaceae Orobanchaceae genera ... [...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] |
Micrargeria
''Micrargeria'' is a genus of flowering plants belonging to the family Orobanchaceae. Its native range is Tropical Africa Although tropical Africa is mostly familiar to the West for its rainforests, this biogeographic realm of Africa is far more diverse. While the tropics are thought of as regions with hot moist climates, which are caused by latitude and the tropi ..., Madagascar, and Myanmar. Species Species: *'' Micrargeria barteri'' *'' Micrargeria filiformis'' *'' Micrargeria wightii'' References {{Taxonbar, from=Q5558947 Orobanchaceae Orobanchaceae genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scrophulariaceae
The Scrophulariaceae are a family of flowering plants, commonly known as the figwort family. The plants are annual and perennial herbs, as well as shrubs. Flowers have bilateral (zygomorphic) or rarely radial (actinomorphic) symmetry. The Scrophulariaceae have a cosmopolitan distribution, with the majority found in temperate areas, including tropical mountains. The family name is based on the name of the included genus ''Scrophularia'' L. Taxonomy In the past, it was treated as including about 275 genera and over 5,000 species, but its circumscription has been radically altered since numerous molecular phylogenies have shown the traditional broad circumscription to be grossly polyphyletic. Many genera have recently been transferred to other families within the Lamiales, notably Plantaginaceae and Orobanchaceae, but also several new families. - on linhere/ref> Several families of the Lamiales have had their circumscriptions enlarged to accommodate genera transferred from t ... [...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] |
Acanthaceae
Acanthaceae is a family (the acanthus family) of dicotyledonous flowering plants containing almost 250 genera and about 2500 species. Most are tropical herbs, shrubs, or twining vines; some are epiphytes. Only a few species are distributed in temperate regions. The four main centres of distribution are Indonesia and Malaysia, Africa, Brazil, and Central America. Representatives of the family can be found in nearly every habitat, including dense or open forests, scrublands, wet fields and valleys, sea coast and marine areas, swamps, and mangrove forests. Description Plants in this family have simple, opposite, decussated leaves with entire (or sometimes toothed, lobed, or spiny) margins, and without stipules. The leaves may contain cystoliths, calcium carbonate concretions, seen as streaks on the surface. The flowers are perfect, zygomorphic to nearly actinomorphic, and arranged in an inflorescence that is either a spike, raceme, or cyme. Typically, a colorful bract subtends ea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenandrium
''Stenandrium '' is a genus of flowering plants in the family Acanthaceae native to the Americas. Species Species include: *'' Stenandrium affine'' S. Moore *''Stenandrium amoenum'' (Benoist) Vollesen *'' Stenandrium barbatum'' Torr. & A. Gray *'' Stenandrium carduaceum'' (Benoist) Vollesen *'' Stenandrium chameranthemoideum'' Oerst. *'' Stenandrium diphyllum'' Nees *'' Stenandrium dulce'' (Cav.) Nees *'' Stenandrium elegans'' Nees *'' Stenandrium gabonicum'' (Benoist) Vollesen *'' Stenandrium goiasense'' Wassh. *''Stenandrium grandiflorum'' Vollesen *''Stenandrium guineense'' (Nees) Vollesen *'' Stenandrium harlingii'' Wassh. *'' Stenandrium hatschbachii'' Wassh. *''Stenandrium hirsutum'' Nees & Mart. *'' Stenandrium humile'' (Benoist) Vollesen *'' Stenandrium irwinii'' Wassh. *'' Stenandrium leptostachyum'' (Benoist) Vollesen *'' Stenandrium longifolium'' (Benoist) Vollesen *'' Stenandrium lyonii'' J.R.Johnst. *'' Stenandrium manchonense'' T.F. Daniel *'' Stenandrium mandioccanu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
