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Vittaria
''Vittaria'', the shoestring ferns, is a genus of ferns in the Vittarioideae subfamily of the family Pteridaceae. It had previously been placed in the family Vittariaceae,Karl U. Kramer. 1990. "Vittariaceae". pages 272-277. In: Klaus Kubitzki (general editor); Karl U. Kramer and Peter S. Green (volume editors) ''The Families and Genera of Vascular Plants'' volume I. Springer-Verlag: Berlin;Heidelberg, Germany. but that family is no longer recognized.Alan R. Smith, Kathleen M. Pryer, Eric Schuettpelz, Petra Korall, Harald Schneider, and Paul G. Wolf. 2008. "Davalliaceae". pages 443-444. In: "Fern Classification". pages 417-467. In: Tom A. Ranker and Christopher H. Haufler (editors). ''Biology and Evolution of Ferns and Lycophytes''. Cambridge University Press. ''Vittaria'' consists of epiphytes, with simple, entire, narrowly linear fronds.David J. Mabberley. 2008. ''Mabberley's Plant-Book'' third edition (2008). Cambridge University Press: UK. It comprises six species, five of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vittariaceae
Vittarioideae is a subfamily of the fern family Pteridaceae, in the order Polypodiales. The subfamily includes the previous families Adiantaceae (adiantoids or maidenhair ferns) and Vittariaceae (vittarioids or shoestring ferns). Description The subfamily includes two distinct groups of ferns: the adiantoids, consisting of the single genus ''Adiantum'', and the vittarioids, several genera, including ''Vittaria'', which typically have highly reduced leaves, usually entire, and an epiphytic habit. The ferns historically considered as ''Adiantum'' include both petrophilic and terrestrial plants. The vittarioid ferns are primarily epiphytic in tropical regions and all have simple leaves with sori that follow the veins and lack true indusia; the sori are most often marginal with a false indusium formed from the reflexed leaf margin. The family also includes a species, ''Vittaria appalachiana'', that is highly unusual in that the sporophyte stage of the life cycle is absent. This spe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vittaria Appalachiana
''Vittaria appalachiana'', or the Appalachian shoestring fern, is a fern species in the subfamily Vittarioideae of the family Pteridaceae. It is native to moist and shaded outcrops in the Appalachian Mountains. It is notable for existing only in the gametophyte stage of development, unlike other fern species in which the sporophyte stage predominates. The species reproduces asexually through gemmae. The species was known to bryologists, who at first confused it with a liverwort. Aaron John Sharp brought the species to the attention of pteridologists Warren H. Wagner and Alma Gracey Stokey. It was formally named by Farrar & Mickel in 1991. Description The sporophyte (normally the dominant generation of the fern life cycle) is almost never formed in this species. Tiny sporophytes have been found at one site in Ohio, and have twice been produced in culture. The few ''V. appalachiana'' sporophytes known have had rhizomes with clathrate (lattice-patterned) scales, and undiv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vittaria Lineata
''Vittaria lineata'', also known by its common name shoestring fern is a species of fern from the genus ''Vittaria''. It grows Epiphyte, epiphytically in wet, new-world tropics and subtropics as far north as Florida. References Pteridaceae Flora of Argentina Flora of Brazil Flora of Colombia Flora of Mexico Plants described in 1793 Taxa named by James Edward Smith {{Pteridaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haplopteris
''Haplopteris'' is a genus of vittarioid ferns, a member of subfamily Vittarioideae and family Pteridaceae. Description Like other vittarioids, the members of ''Haplopteris'' are epiphytes. The rhizome has a distinct upper and lower side, lacking radial symmetry, a characteristic that separates it from ''Radiovittaria''. Leaves are borne in two ranks in a single plane, and are usually simple, occasionally forked. The leaves have a distinct costa (midrib). Most species have netlike leaf veins which form two rows of areolae (the "gaps" in the net) on either side of the midline; two species bear a single leaf vein only. The linear sori, in most species, are confined to a commissural vein (paralleling the edge of the leaf margin and set just back from it, joining the ends of the netted veins); in the two species with a single vein, the sori follow that vein. The sori bear paraphyses (minute hairs) with a cell at the tip shaped like an inverted cone, separating it from '' Vittaria'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pteridaceae
Pteridaceae is a family of ferns in the order Polypodiales, including some 1150 known species in ca 45 genera (depending on taxonomic opinions), divided over five subfamilies. The family includes four groups of genera that are sometimes recognized as separate families: the adiantoid, cheilanthoid, pteridoid, and hemionitidoid ferns. Relationships among these groups remain unclear, and although some recent genetic analyses of the Pteridales suggest that neither the family Pteridaceae nor the major groups within it are all monophyletic, as yet these analyses are insufficiently comprehensive and robust to provide good support for a revision of the order at the family level. Description Members of Pteridaceae have creeping or erect rhizomes. The leaves are almost always compound and have linear sori that are typically on the margins of the leaves and lack a true indusium, typically being protected by a false indusium formed from the reflexed margin of the leaf. Taxonomy Tra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radiovittaria
''Radiovittaria'' is a genus of ferns in the subfamily Vittarioideae of the family Pteridaceae. Species are native to southeast Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ... and northern Southern America. Phylogeny , the ''Checklist of Ferns and Lycophytes of the World'' recognized the following species: References Pteridaceae Fern genera {{Pteridaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jean Baptiste Bory De Saint-Vincent
Jean-Baptiste Geneviève Marcellin Bory de Saint-Vincent was a French naturalist, officer and politician. He was born on 6 July 1778 in Agen (Lot-et-Garonne) and died on 22 December 1846 in Paris. Biologist and geographer, he was particularly interested in volcanology, systematics and botany. Life Youth Jean-Baptiste Bory de Saint Vincent was born at Agen on 6 July 1778. His parents were Géraud Bory de Saint-Vincent and Madeleine de Journu; his father's family were petty nobility who played important roles at the bar and in the judiciary, during and after the French Revolution. Instilled with sentiments hostile to the revolution from childhood,Biography of Jean-Baptiste Bory de Saint-Vincent on the website of the French National Assembly: http://www2.assemblee-nationale.fr/sycomore/fiche/(num_dept)/16507 he studied first at the college of Agen, then with his uncle Journu-Auber in Bordeaux in 1787. He may have attended courses in medicine and surgery from 1791 to 1793. Durin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Georg Friedrich Kaulfuss
Georg Friedrich Kaulfuss (8 April 1786 – 9 December 1830) was a professor at Halle. He described the pteridophytes collected by Adelbert von Chamisso, and he named the fern ''Cibotium chamissoi'' after him. The genus '' Kaulfussia'' is named for Kaulfuss. In 1816, he obtained his doctorate from the University of Halle, where in 1823, he became a full professor of botany. Plants Named by Kaulfuss More than 200 plant names were published by Kaulfuss. Tropicos.org. Missouri Botanical Garden. 01 Feb 2012 These include the genera: * *'' Cochlidium'' * *'' Balantium'' * Plant families named by Kaulfuss include: * |
Gardening
Gardening is the process of growing plants for their vegetables, fruits, flowers, herbs, and appearances within a designated space. Gardens fulfill a wide assortment of purposes, notably the production of Aesthetics, aesthetically pleasing areas, Medication, medicines, cosmetics, dyes, foods, poisons, wildlife habitats, and saleable goods (see market gardening). People often partake in gardening for its Therapy, therapeutic, health, educational, Culture, cultural, Philosophy, philosophical, Environmental protection, environmental, and Religion, religious benefits. Gardening varies in scale from the 800 hectare Palace of Versailles, Versailles gardens down to container gardens grown inside. Gardens take many forms; some only contain one type of plant, while others involve a complex assortment of plants with no particular order. Gardening can be difficult to differentiate from Agriculture, farming. They are most easily differentiated based on their primary objectives. Farming pri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sensu Lato
''Sensu'' is a Latin word meaning "in the sense of". It is used in a number of fields including biology, geology, linguistics, semiotics, and law. Commonly it refers to how strictly or loosely an expression is used in describing any particular concept, but it also appears in expressions that indicate the convention or context of the usage. Common qualifiers ''Sensu'' is the ablative case of the noun ''sensus'', here meaning "sense". It is often accompanied by an adjective (in the same case). Three such phrases are: * – "in the strict sense", abbreviation ''s.s.'' or ''s.str.''; * – "in the broad sense", abbreviation ''s.l.''; * – "in a relaxed, generous (or 'ample') sense", a similar meaning to ''sensu lato''. Søren Kierkegaard uses the phrase ''sensu eminenti'' to mean "in the pre-eminent r most important or significantsense". When appropriate, comparative and superlative adjectives may also be used to convey the meaning of "more" or "most". Thus ''sensu stricto' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Circumscription (taxonomy)
In biological taxonomy, circumscription is the content of a taxon, that is, the delimitation of which subordinate taxa are parts of that taxon. For example, if we determine that species X, Y, and Z belong in genus A, and species T, U, V, and W belong in genus B, those are our circumscriptions of those two genera. Another systematist might determine that T, U, V, W, X, Y, and Z all belong in genus A. Agreement on circumscriptions is not governed by the Codes of Zoological or Botanical Nomenclature, and must be reached by scientific consensus. A goal of biological taxonomy is to achieve a stable circumscription for every taxon. This goal conflicts, at times, with the goal of achieving a natural classification that reflects the evolutionary history of divergence of groups of organisms. Balancing these two goals is a work in progress, and the circumscriptions of many taxa that had been regarded as stable for decades are in upheaval in the light of rapid developments in molecu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
