Bibliographies thématiques / Monocotyledonous flora

Littérature scientifique sur le sujet « Monocotyledonous flora »

Auteur : Grafiati
Publié le 18 mai 2024

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Articles de revues sur le sujet "Monocotyledonous flora"

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Bonde, S. D. « Indian fossil monocotyledons : Current Status, Recent Developments and Future Directions ». Journal of Palaeosciences 57, no (1-3) (31 décembre 2008) : 141–64. http://dx.doi.org/10.54991/jop.2008.233.

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The megafossil records of monocotyledons assigned to Upper Cretaceous (Maastrichtian) onward from India have been reviewed along with their possible resemblances with the extant members to have a meaningful taxonomic and phylogenetic relationship. The early record of angiosperm megafossils assigned to the dicotyledons is from the Lower Cretaceous horizon of Rajmahal Hills, Bihar (now Jharkhand). A thorough search for the monocotyledons is yet to be made from these beds. The Deccan Intertrappean beds which belong to Maastrichtian (Upper Cretaceous) - Palaeocene age, are very rich in angiosperms comprising both dicotyledons and monocotyledons preserved especially in the form of permineralizations. The later epochs or series, however, are rich in compressions and impressions. The monocotyledonous flora is dominated mainly by palms (Family-Arecaceae) followed by the families of Scitamineae, Poaceae, Cyperaceae and Araceae. In order to understand the early monocotyledonous diversification future work is to be concentrated in the Rajmahal Intertrappeans and contemporary horizons belonging to the Lower Cretaceous Period. Thorough search for entire herbaceous elements, woody juvenile and arborescent members (palms, pandans, aroids, liliales, grasses, Cyperaceae, etc.), reconstructions of entire plants based upon organic occurrences and associations in addition to the isolated reproductive and vegetative organs of taxonomic significance is to be given priority. In depth knowledge of morphology and anatomy of comparable extant flora is required for their phylogenetic assessments.
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A.J., Ibragimov, et Qurbonova Z. « Monocotyledonous Plants In The Flora Of Surkhandarya State Reserve ». American Journal of Agriculture and Biomedical Engineering 03, no 06 (18 juin 2021) : 100–106. http://dx.doi.org/10.37547/tajabe/volume03issue06-14.

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Armağan, Metin. « Petaloid Monocotyledonous Flora of Tunceli Province (Turkey) ». Hacettepe Journal of Biology and Chemistry 2, no 46 (14 mars 2018) : 199–219. http://dx.doi.org/10.15671/hjbc.2018.229.

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Sadyrova, G. A., T. A. Bazarbaeva, D. K. Bayzhigitov et S. M. Jamilova. « Biodiversity of the meadow floristic complex of the ridge Ketpen-Temerlik ». BULLETIN of the L.N. Gumilyov Eurasian National University. BIOSCIENCE Series 136, no 3 (2021) : 13–25. http://dx.doi.org/10.32523/2616-7034-2021-136-3-13-25.

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This article presents results of long-term studies of the meadow flora of the Ketpen-Temerlik ridge within Kazakhstan and China. The article presents an analysis of the meadow floristic complex of the Ketpen-Temerlik ridge. The taxonomic diversity of species composition of meadow floristic complex, biomorphological analysis of life forms of meadow species, and also the belonging of meadow species to different geographical types of areas. A detailed floristic analysis of meadow flora made it possible to identify 624 species of vascular plants belonging to 230 genera and 47 families. According to the main taxonomic groups of plants, the meadow flora is represented by the Magnoliophyta department, which accounts for 82.2% of the total species composition, and only an insignificant percentage is in the Liliopsida department, 17.1%. The ratio of monocotyledonous and dicotyledonous plants in meadow flora is 1: 4.8. The total number of monocotyledons covers 107 species or 17.1% of the total number of species, there are 517 species of dicotyledonous plants or 82.2%. Analysis of the largest families of meadow flora made it possible to identify 16 largest families by the largest number of species, which contain 504 species. Analysis of the species richness of the genera of flora are: Potentilla, Carex, Ranunculus, Taraxacum, Astragalus, Silene, Veronica. The leading genus of meadow flora accounts for 25.1%. The article considers a boreal nature of the meadow flora. The article reveals a large presence among the meadow flora of Ketpen-Temerlik of mountainous middle asian species with an area limited to the territories of Mountainous Middle Asia.
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Shkhagapsoev, S. Kh. « New book about monocotyledonous plants of the Western Caucasus ». REPORTS ADYGE (CIRCASSIAN) INTERNATIONAL ACADEMY OF SCIENCES 20, no 2 (2020) : 86–89. http://dx.doi.org/10.47928/1726-9946-2020-20-2-86-89.

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Review of the monograph by Professor S.A. Litvinskaya "Taxonomic and biogeographic characteristics of the flora of the Western Ciscaucasia and the Western Caucasus. Phylum Magnoliophyta: Classis Liliopsida." M., 2019. 558 p.
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Mballo, Rahimi, César Bassene, Mamadou Sidybe, Samba Laha K. A, Abdoul Aziz Camara, Mame Samba Mbaye et Kandioura Noba. « Angiosperms of Senegal : Determination Key and Diversity of Families of the Class Monocotyledons ». Scholars Academic Journal of Biosciences 10, no 7 (20 juillet 2022) : 147–53. http://dx.doi.org/10.36347/sajb.2022.v10i07.002.

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The Angiosperms represent the best known and most diverse group in Senegal. Even though a lot of work has been done to gain a good knowledge of this group, more work remains to be done. The main objective of this work is to contribute to a better knowledge of the class of monocotyledons in Senegal. More specifically, this work seeks to propose a determination key for the families of this class in order to facilitate their identification. Based on bibliographical research, a rough table and a summary table listing the different characters of the vegetative and reproductive systems of the Monocotyledonous family of Senegal were drawn up. These tables made it possible to propose dichotomous keys. This study showed that in the flora of Senegal, the Monocotyledons are distributed in 230 genera and 37 families. This work made it possible to propose determination keys essentially based on the stable characters of the vegetative and reproductive systems of these families.
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Parsons, R. F. « Monocotyledonous geophytes : comparison of California with Victoria, Australia ». Australian Journal of Botany 48, no 1 (2000) : 39. http://dx.doi.org/10.1071/bt98056.

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Data on monocotyledonous geophytes from a recent Victorian flora are compiled and compared with those from California and some other areas of mainly mediterranean climate. Victoria's monocot geophyte diversity of 9% places it with parts of South Africa and Western Australia in a group of much higher diversity than California and Chile. The Victorian list is dominated by orchids (all with tuberous roots) and that from California by Alliaceae, Calochortaceae and Liliaceae, with bulbs being the predominant storage organ. Only four families of the 17 involved have native species in both California and Victoria. Most taxa in both areas are dormant in summer and grow during the cool season. However, the Amaryllidaceae found in the Sonoran Desert and the driest parts of Victoria are able to grow in the warm season in response to summer rain.
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Odintsova, A., O. Fishchuk et I. Danylyk. « Evolutionary and ecological estimation of fruit structure in monocotyledonous plants of the flora of Ukraine ». Studia Biologica 16, no 3 (4 octobre 2022) : 83–100. http://dx.doi.org/10.30970/sbi.1603.688.

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Background. Monocot plants in the flora of Ukraine embrace about 1000 species. The members of this group have various fruit types and ways of dissemination. In this review, the results of the evolutionary-morphological analysis of fruits in monocot plants of the flora of Ukraine and their structural adaptations to dispersal are presented. Gynoecium structure and morphogenetic fruit types in monocots. The features of the inner gynoecium structure and the relation between gynoecium and fruit structure were analyzed, and the main problems of fruit classification were detected. It was revealed that apocarpous fruits are often polymerous or oligomerous, composed of 3–6 one-seeded fruitlets. The species with inferior ovary often develop capsular fruits. One-seeded fruits represent the most reduced variant of the gynoecium structure and fruit wall anatomy, providing few structural traits for analysis. Ecological and functional features of fruits in monocots. The characteristics of dehiscent and indehiscent fruits, as well as adaptations to various ways of dispersal: myrmeco-, endozoo-, epizoo-, anemo-, hydro- and autochory are presented. Dehiscent fruits (follicle and capsule) reveal ventral, dorsal or double, dorsoventral dehiscence. One-seeded fruits and fruitlets are often adapted to hydrochory or anemochory. Trends of evolutionary changes of fruits in monocots. The most diverse fruits are found in low-species taxa of early monocots. Within the monocots, we can observe certain evolutionary trends: incomplete carpel fusion, the occurrence of superior one-seeded fruits and inferior many-seeded fruits. Each of these trends may be evoked by adaptations for pollination in gynoecium at the flowering stage. Conclusions. The present evolutionary morphological and ecological studies of fruits in monocot plants of the flora of Ukraine are impeded by controversial structural types of the gynoecium in some species and a scarcity of data on ways of dispersal of fruits and seeds. The precise carpological and carpoecological investigations of the monocots are desirable for many plants of the flora of Ukraine.
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Ivanova, Natalya Vyacheslavovna. « Synanthropic plants as indicators of the ecological state of city of Samara ». Samara Journal of Science 5, no 1 (1 mars 2016) : 31–34. http://dx.doi.org/10.17816/snv20161106.

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This article focuses on the analysis of synanthropic flora of Samara. It surveys the history of the research of the flora of the city of Samara, and states that it is possible to base the estimation of the ecological condition of the city of Samara on the process and degree of synanthropy. When studying urbanoflorae different authors define the concept of synanthropic flora differently. O.P. Vinkovskaya, E.P. Gnatyuk, and G.S. Antipina, K.V. Kachkin, I.G. Sokolova, T.V. Astakhova, T.A.Terekhina dealt with issues of terminology. The author believes that the synantropic flora consists of adventitious cultivated plants, adventitious ruderal weeds and apofyte types. In the conditions of the increasing anthropogenous change the process of synanthropization of the vegetable cover becomesquite urgent. The article describes the structure of the synanthropic fraction of the urban flora of Samara. The author notes that in the synanthropic fraction the share of monocotyledonous plants has considerably decreased, and that the adventitious species prevail, the flora being made up by forest-steppe boreal, nemoral and multizone plants. In the analysis of the synanthropic component of the flora such indicators as the flora synanthropy index, the adventivity index, index of the apofyteness and the index of cultivation have been calculated. The author comes to the the conclusion that synanthropy causes reduction of the flora variety
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Parsons, R. F., et Stephen D. Hopper. « Monocotyledonous geophytes : comparison of south-western Australia with other areas of mediterranean climate ». Australian Journal of Botany 51, no 2 (2003) : 129. http://dx.doi.org/10.1071/bt02067.

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Recent data on monocotyledonous geophytes from south-western Australia are compiled and compared with those from other areas of mainly mediterranean climate, especially California, Chile and Victoria, Australia. South-western Australia has a high monocot geophyte diversity of 496 species (7% of an estimated native flora of 7100 vascular species), like Victoria (12%) and the Cape region (14%). As in Victoria, orchids are by far the most important group, with c. 400 species, including those likely to be described once ongoing taxonomic research is completed. South-western Australia has higher geophyte numbers than Victoria in all families considered, but a lower geophyte percentage because of a much higher vascular species total. Among south-western Australian non-orchid geophytes, as in Victoria, the most common storage organ is tuberous roots, followed by corms then bulbs and rhizomes, whereas in California bulbs are by far the most common. The presence of microgeophytes with seed-like storage organs is a special feature seen in several phylogenetically unrelated lineages in the south-western Australian and Victorian geophytic flora, especially on granite outcrops. Divergent phylogenetic history is undoubtedly a major factor underlying striking differences between the monocot geophytes of mediterranean Australia, California, Chile, South Africa and Mediterranean countries. Further studies, particularly on the last two regions, will enable better elucidation of these patterns.
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Thèses sur le sujet "Monocotyledonous flora"

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Nirola, Suman. « Studies on the monocotyledonous flora of Darjeeling district, West Bengal, India ». Thesis, University of North Bengal, 2015. http://ir.nbu.ac.in/handle/123456789/1494.

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Noltie, Henry J. « Contributions to the flora of Bhutan : the monocotyledons ». Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/11215.

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The published work submitted for consideration for the degree of Ph.D. (by Research Publication) consists of two parts of the Flora of Bhutan, describing the monocotyledons (some 942 species) with the exception of Orchidaceae. Together with these are ten precursor papers relating to these parts of the Flora: the papers include descriptions of new species, nomenclatural discussion (including typifications) and phytogeographic information. The critical review gives the historical background for the whole Flora project, together with the methods used in my own contribution and some of my more interesting findings. An enumeration of new taxa described, and new combinations made, is given in an appendix.
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Livres sur le sujet "Monocotyledonous flora"

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Dorr, Laurence J. Flora of Guaramacal (Venezuela) : Monocotyledons. Washington, D.C : Smithsonian Institution Scholarly Press, 2014.

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Flora of the Otway Plain & Ranges : Orchids, irises, lillies, grass-trees, mat-rushes and other petaloid monocotyledons. Collingwood, VIC : CSIRO, 2010.

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Meyers, Stephen C. Flora of Oregon : Pteridophytes, gymnosperms, and monocots. Fort Worth : Botanical Research Institute of Texas Press, 2015.

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The European garden flora, flowering plants : A manual for the identification of plants cultivated in Europe, both out-of-doors and under glass. 2e éd. New York : Cambridge University Press, 2011.

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Mayfield, Enid. Flora of the Otway Plain and Ranges 1. CSIRO Publishing, 2010. http://dx.doi.org/10.1071/9780643098053.

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The Otway region of Victoria, with its temperate rainforests, mountain ash forests, heathlands, plains and coastal dunes, has an extraordinarily rich and diverse flora. The first volume of Flora of the Otway Plain and Ranges covers the orchids, irises, lilies, grass-trees, mat-rushes and other petaloid monocotyledonous plants. Enid Mayfield's exquisite colour illustrations of more than 200 species reveal tiny botanical details which enable the untrained botanist to identify each species with ease. The section on orchids describes and illustrates more than 130 species, highlighting their fascinating adaptations for attracting specific pollinating insects. The clear text and illustrations frequently draw attention to the relationship of plants to the broader environment, the impact of fire, the role of pollinators and the importance of fungi.
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Ivey, Robert, Eugene Jercinovic et Kelly Allred. Flora Neomexicana III : an Illustrated Identification Manual : Part 1 : Introduction, Spore Plants, Gymnosperms, Monocotyledonous Plants, Glossary. Independently Published, 2020.

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Chin, See Chung, H. T. W. Tan et Hsuan Keng. The Concise Flora of Singapore : Monocotyledons. Singapore University Press, 1998.

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Holmgren, Noel H., James L. Reveal et Arthur Cronquist. Intermountain Flora Vol. 6 : The Monocotyledons. New York Botanical Garden Press, 1994.

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BRAUN, E. Lucy. Monocotlyedoneae : Vascular Flora of Ohio Vol 1 Cat-Tails to Orchids. Ohio State University Press, 2017.

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Florae Indicae enumeratio : Monocotyledonae. Calcutta : Botanical Survey of India, 1989.

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Chapitres de livres sur le sujet "Monocotyledonous flora"

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Vogel, S. « Floral Biology ». Dans Flowering Plants · Monocotyledons, 34–48. Berlin, Heidelberg : Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03533-7_4.

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Tomlinson, P. B. « Flower ». Dans The Structural Biology of Palms, 339–76. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780198545729.003.0013.

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Abstract Palm flowers can be described in terms of the ‘type’ common to many monocotyledonous families, i.e. with a trimerous construction based on the floral formula three sepals, three petals, six stamens (in two whorls of three), and three carpels. Commonly, there is a bracteole below the flower, a structure that is helpful in interpreting the morphology of the ultimate floral units where these represent condensed monochasia. In palms, the flower is always actinomorphic, the gynoecium superior and each carpel has a single ovule. There is considerable variation of this pattern, some of which is related to sexual dimorphism. Departures from trimery are rare, multiplication of functional stamens well beyond six is common, carpels are least commonly apocarpous and when synocarpous there is often only one functional carpel, but with evidence of the two aborted ones (pseudomonomery). Perfect flowers which are regularly trimerous and with three separate carpels are considered to represent the ancestral condition. They are found in nine genera of the coryphoid group and this is considered by Moore (1973b), and Moore and Uhl (1982) as evidence that the coryphoid palms are closest to ancestral palms. Unisexual flowers with three free carpels occur in Nypa and Phoenix.
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