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× Sophrolaeliocattleya
× ''Sophrolaeliocattleya'' (from ''Sophronitis'', ''Laelia'' and ''Cattleya'', its parent genera) is a nothogenus of artificial intergeneric orchid hybrids. It is abbreviated as Slc. in the horticultural trade.http://www.rhs.org.uk/RHSWebsite/files/87/87be8b1e-908e-4e04-9ee6-30c438354458.pdf As of 2008, × ''Sophrolaeliocattleya'' is defunct, with the genus ''Sophronitis'' having been merged into ''Cattleya''. Anatomy, morphology and habit × ''Sophrolaeliocattleya'' often shows the influence of its ''Sophronitis'' parent strongly; its flowers tend to range through yellow-orange to red, they tend to be smaller, and the general habit of the plant tends to be comparatively compact, all characteristics shared with ''Sophronitis''. Etymology and taxonomic history This nothogeneric epithet is derived by putting together the component genera: ''Sophronitis'' (combining form -), ''Laelia'' (combining form -) and ''Cattleya''; it is capitalized and is not italicized because it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
× Cattlianthe
× ''Cattlianthe'', abbreviated ''Ctt.'' in the horticultural trade, is the orchid nothogenus for intergeneric hybrid greges containing at least one ancestor species from each of the two ancestral genera ''Cattleya'' and ''Guarianthe'', and from no other genera. Since orchids in ''Guarianthe'' were placed in ''Cattleya'' before 2003, many orchids in × ''Cattlianthe'' were previously placed directly in ''Cattleya''. Notable hybrids Notable hybrids, known as greges, include the following: * ''Ctt.'' Jewel Box (formerly ''Slc''. Jewel Box), a hybrid cross of '' Guarianthe aurantiaca'' and ''Cattleya'' Anzac. Its bifoliate pseudobulbs are about 4" tall and grow along a horizontal rhizome. A terminal inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ... is produced ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cattleya
''Cattleya'' () is a genus of orchids from Costa Rica south to Argentina. The genus is abbreviated C in trade journals. Description Epiphytic or terrestrial orchids with cylindrical rhizome from which the fleshy noodle-like roots grow. Pseudobulbs can be conical, spindle-shaped or cylindrical; with upright growth; one or two leaves growing from the top of them. The leaves can be oblong, lanceolate or elliptical, somewhat fleshy, with smooth margin. The inflorescence is a terminal raceme with few or several flowers. Flowers have sepals and petals free from each other; the lip or labellum (lowermost petal), usually has a different coloration and shape from the rest of the flower and covers in part the flower column forming a tube. There are four polliniums (bag-like organs that contain pollen). The fruit is a capsule with many small seeds.Schweinfurth, C., "Orchidaceae, Orchids of Peru", ''Fieldiana, Botany'' 30(3): 535 Taxonomy The genus was named in 1824 by John Lindley af ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
× Laeliocatanthe
The multiplication sign, also known as the times sign or the dimension sign, is the symbol , used in mathematics to denote the Multiplication, multiplication operation and its resulting Product (mathematics), product. While similar to a lowercase X (), the form is properly a four-fold Rotational symmetry, rotationally symmetric saltire. History The earliest known use of the symbol to represent multiplication appears in an anonymous appendix to the 1618 edition of John Napier's . This appendix has been attributed to William Oughtred, who used the same symbol in his 1631 algebra text, , stating:"Multiplication of species [i.e. unknowns] connects both proposed magnitudes with the symbol 'in' or : or ordinarily without the symbol if the magnitudes be denoted with one letter." Two earlier uses of a notation have been identified, but do not stand critical examination. Uses In mathematics, the symbol × has a number of uses, including * Multiplication of two numbers, where it is rea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Laelia Anceps
''Laelia anceps'' is a species of orchid found in Mexico and Guatemala. Subspecies *''Laelia anceps'' ssp. ''anceps'' (Mexico to Guatemala). The diploid chromosome number of ''L. anceps'' ssp. ''anceps'' has been determined as 2''n'' = 40 *''Laelia anceps'' ssp. ''dawsonii'' ( J.Anderson) Rolfe (Mexico - Guerrero, Oaxaca). The diploid chromosome number of ''L. anceps'' ssp. ''dawsonii'' has been determined as 2''n'' = 40.page 252. Leonardo P. Felix and Marcelo Guerra: "Variation in chromosome number and the basic number of subfamily Epidendroideae (Orchidaceae)" ''Botanical Journal of the Linnean Society'' 163(2010)234-278, The Linnean Society of London References anceps In languages with quantitative poetic metres, such as Ancient Greek, Latin, Arabic, Sanskrit, and classical Persian, an anceps (plural ''ancipitia'' or ''(syllabae) ancipites'') is a position in a metrical pattern which can be filled by either ... Orchids of G ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
× Laeliocattleya
''Laeliocattleya'' is a nothogenus of intergeneric orchid hybrids descended from the parental genera ''Laelia'' and ''Cattleya''. It is abbreviated Lc. in the horticultural trade. Due to the recent decision by the Royal Horticultural Society (the international orchid registration authority) to recognize the reduction of the Brazilian ''Laelia'' species and the entire genus ''Sophronitis'' to synonymy under ''Cattleya'', many hybrids which had previously been described as ''Laeliocattleya'' hybrids are now classified as ''Cattleya'' hybrids. (e.g. ''C''. George Cutler) List of grexes * ''Laeliocattleya'' (syn. ''Cattleya'') Anna Ingham – Has flowers that range from dark reddish purple to deep mauve. The lip is darker colored and the lip is veined with gold. They can bear up to five flowers, each 6 to 7 inches wide. * ''Laeliocattleya'' (syn. ''Cattleya'') Derna – Has flowers that are yellow. The lip is purple and is streaked with gold. The can bear up to six flowers, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guarianthe Aurantiaca
''Guarianthe aurantiaca'' is a species of orchid. It is widespread across much of Mexico, south to Costa Rica. The diploid chromosome number of ''G. aurantiaca'' has been determined as 2''n'' = 40. The phananthrenoids orchinol Orchinol is a 9,10-dihydrophenanthrene, a type of phenanthrenoid. It can be isolated from infected ''Orchis militaris'' and infected '' Loroglossum hircinum'' with '' Rhizoctonia repens''. This molecule has a phytoalexin effect. It reduces the grow ... and loroglossol have a phytoalexin effect and reduce the growth of ''G. aurantiaca'' seedlings.Effects of Orchinol, Loroglossol, Dehydroorchinol, Batatasin III, and 3,4'- Dihydroxy-5-Methoxydihydrostilbene on Orchid Seedlings. Katherine A. Hills, Albert Stoessl, Allison P. Oliva and Joseph Arditti, Botanical Gazette, September 1984, Vol. 145, No. 3, pages 298-301link References aurantiaca Orchids of Mexico Orchids of Central America Plants described in 1838 {{Laeliinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guarianthe
''Guarianthe'', abbreviated ''Gur.'' in the horticultural trade, is a small genus of epiphytic orchids, growing in wet forests in Mexico, Central America, Colombia, Venezuela and Trinidad. It was separated from the bifoliate ''Cattleya ''Cattleya'' () is a genus of orchids from Costa Rica south to Argentina. The genus is abbreviated C in trade journals. Description Epiphytic or terrestrial orchids with cylindrical rhizome from which the fleshy noodle-like roots grow. Pseu ...''s in 2003, based on phylogenetic studies of nuclear DNA sequence data. Species Natural hybrid *'' Guarianthe × laelioides'' (Lem.) Van den Berg 2015 = '' Gur. aurantiaca'' × '' Gur. skinneri'' – Chiapas, Belize, Guatemala, Honduras, Nicaragua References * (1809) Nouveau Bulletin des Sciences, publié par la Société Philomatique de Paris 1: 318. * (2009) Epidendroideae (Part two). Genera Orchidacearum 5: 71 ff. Oxford University Press. External links * * {{Taxonbar, f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grex (horticulture)
The term ''grex'' (plural ''greges'' or ''grexes''; abbreviation gx), derived from the Latin language, Latin noun , , meaning 'flock', has been expanded in botanical nomenclature to describe hybrids of orchids, based solely on their parentage. Grex names are one of the three categories of plant names governed by the International Code of Nomenclature for Cultivated Plants; within a grex the ''cultivar group'' category can be used to refer to plants by their shared characteristics (rather than by their parentage), and individual orchid plants can be selected (and propagated) and named as cultivars. Botanical nomenclature of hybrids The horticultural nomenclature of grexes exists within the framework of the botanical nomenclature of hybrid plants. Interspecific hybrids occur in nature, and are treated under the International Code of Nomenclature for algae, fungi, and plants as nothospecies, ('notho' indicating hybrid). They can optionally be given Linnean Binomial nomenclature, bin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nothogenus
In botanical nomenclature, a Hybrid (biology), hybrid may be given a hybrid name, which is a special kind of botanical name, but there is no requirement that a hybrid name should be created for plants that are believed to be of hybrid origin. The ''International Code of Nomenclature for algae, fungi, and plants'' (ICNafp) provides the following options in dealing with a hybrid: * A hybrid may get a name; this will usually be the option of choice for naturally occurring hybrids. * A hybrid may also be indicated by a formula listing the parents. Such a formula uses the multiplication sign "×" to link the parents. ** "It is usually preferable to place the names or epithets in a formula in alphabetical order. The direction of a cross may be indicated by including the sexual symbols (♀: female; ♂: male) in the formula, or by placing the female parent first. If a non-alphabetical sequence is used, its basis should be clearly indicated." (H.2A.1) * Grex (horticulture), Grex names can b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habit (biology)
Habit, equivalent to habitus in some applications in biology, refers variously to aspects of behaviour or structure, as follows: *In zoology (particularly in ethology), habit usually refers to aspects of more or less predictable ''behaviour'', instinctive or otherwise, though it also has broader application. Habitus refers to the characteristic form or morphology of a species. *In botany, habit is the characteristic form in which a given species of plant grows (see plant habit).Jackson, Benjamin, Daydon; A Glossary of Botanic Terms with their Derivation and Accent; Published by Gerald Duckworth & Co. London, 4th ed 1928 Behavior In zoology, ''habit'' (not to be confused with ''habitus'' as described below) usually refers to a specific behavior pattern, either adopted, learned, pathological, innate, or directly related to physiology. For example: * ...the atwas in the ''habit'' of springing upon the oor knockerin order to gain admission... * If these sensitive parrots are kep ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hybrid (biology)
In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction. Hybrids are not always intermediates between their parents (such as in blending inheritance), but can show hybrid vigor, sometimes growing larger or taller than either parent. The concept of a hybrid is interpreted differently in animal and plant breeding, where there is interest in the individual parentage. In genetics, attention is focused on the numbers of chromosomes. In taxonomy, a key question is how closely related the parent species are. Species are reproductively isolated by strong barriers to hybridisation, which include genetic and morphological differences, differing times of fertility, mating behaviors and cues, and physiological rejection of sperm cells or the developing embryo. Some act before fertilization and others after it. Similar barriers exist in plants, with differences in flowering tim ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Orchid
Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering plants. The Orchidaceae have about 28,000 currently accepted species, distributed in about 763 genera. (See ''External links'' below). The determination of which family is larger is still under debate, because verified data on the members of such enormous families are continually in flux. Regardless, the number of orchid species is nearly equal to the number of bony fishes, more than twice the number of bird species, and about four times the number of mammal species. The family encompasses about 6–11% of all species of seed plants. The largest genera are ''Bulbophyllum'' (2,000 species), ''Epidendrum'' (1,500 species), ''Dendrobium'' (1,400 species) and ''Pleurothallis'' (1,000 species). It also includes ''Vanilla'' (the genus of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
