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Thematische Bibliographien / Epidendreae

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Auswahl der wissenschaftlichen Literatur zum Thema „Epidendreae“

Autor: Grafiati

Veröffentlicht am 18. Mai 2024

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Zeitschriftenartikel zum Thema "Epidendreae"

1

Sood, Sarvesh Kumar. „Gametophytes, integuments initiation and embryogeny inMicrostylis cylindrostachya (Orchidaceae, Epidendreae)“. Proceedings / Indian Academy of Sciences 95, Nr. 6 (Dezember 1985): 379–87. http://dx.doi.org/10.1007/bf03053676.

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2

YANG, BOYUN, SHIHE XIAO, YAWEN JIANG, HUOLIN LUO, DONGJIN XIONG, JUNWEN ZHAI und BO LI. „Danxiaorchis yangii sp. nov. (Orchidaceae: Epidendroideae), the second species of Danxiaorchis“. Phytotaxa 306, Nr. 4 (16.05.2017): 287. http://dx.doi.org/10.11646/phytotaxa.306.4.5.

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Danxiaorchis yangii (Calypsoinae, Epidendreae, Epidendroideae), a holomycotrophic new species from Jinggangshan National Nature Reserve, western Jiangxi, eastern of China, is here illustrated and described based on both morphological and phylogenetic evidences. The new species can be easily distinguished from D. singchiana by its much smaller flowers and larger Y-shaped callus adaxially bearing a additional obovoid appendage, and by its four pollinia narrowly elliptic in shape and equal in size.

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Valencia-Nieto, Benjamín, Victoria Sosa und Judith Márquez-Guzmán. „Anther development in tribe Epidendreae: orchids with contrasting pollination syndromes“. PeerJ 6 (27.02.2018): e4383. http://dx.doi.org/10.7717/peerj.4383.

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BackgroundEpidendreae is one of the most diverse tribes among the orchids with remarkable variation in life form, floral morphology and pollination syndromes. Its circumscription was recently revised and subtribes Agrostophyllinae and Calypsoinae were transferred into this tribe. One of the principal floral characters utilized in classification of orchids is the incumbency or bending of the column. This study records and compares late stages of anther, column and lip development, and discusses anther characters in fifteen representative taxa of five of the six subtribes in Epidendreae with respect to classification and pollination biology.MethodsA series of late floral stages were sampled and fixed for examination under scanning electron microscope.ResultsAnther incumbency or bending in this group varies from 90° to almost 180°. Incumbency in the late stages of development is reached in Bletiinae, Ponerinae, Pleurothallidinae and Laeliinae whereas incumbency is reached early in its development inCorallorhizaandGoveniaof Calypsoinae.DiscussionOur observations indicate that the position ofChysisin subtribe Bletiinae needs revision based on differences in a number floral, and in particular of anther characters; and thatCoeliaonly shares the early anther incumbency with Calypsoinae members, but not the rest of floral and anther characters. Anatomical characters such as crystals around the actinocytic stomata on the anther cap and sugar crystals in Laeliinae; lack of rostellum in Bletiinae; coalescent anther with the column, lack of trichomes and papillae on lip keels, and underdeveloped rostellum inChysis; a mechanism by which the anther cap comes off (it is joined with the grooved lip by a claw) inIsochilusare all related to pollination syndromes and reproductive biology.

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Sosa, Victoria. „A Molecular and Morphological Phylogenetic Study of Subtribe Bletiinae (Epidendreae, Orchidaceae)“. Systematic Botany 32, Nr. 1 (01.01.2007): 34–42. http://dx.doi.org/10.1600/036364407780360175.

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5

Mancinelli, Werner Siebje, und ERIC DE CAMARGO SMIDT. „Homalopetalum joinvillense (Epidendreae; Epidendroideae; Orchidaceae): a new species from Southern Brazil“. Phytotaxa 202, Nr. 4 (17.03.2015): 279. http://dx.doi.org/10.11646/phytotaxa.202.4.6.

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Homalopetalum joinvillense (Orchidaceae) is a new species found in Joinville (Brazil). This species presents morphological similarity with Homalopetalum alticolum, but it differs from that and another species of this genus by a combination of an oblong-obovate lip with a slightly denticulate lip margin, a callus divided in two parts, globose in the internal part and conical in the external part, and an erose clinandrium. This article presents the complete description and the illustration of the new species, as well as an identification key for the genus.

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BASTOS, CLÁUDIA A., THIAGO E. C. MENEGUZZO und CÁSSIO VAN DEN BERG. „A taxonomic revision of the Brazilian species of Encyclia (Orchidaceae: Epidendroideae: Epidendreae)“. Phytotaxa 342, Nr. 1 (02.03.2018): 1. http://dx.doi.org/10.11646/phytotaxa.342.1.1.

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A taxonomic revision of the Brazilian species of Encyclia is presented, based on analysis of roughly 1,400 herbarium specimens, including types. Thirty-nine species and one variety are listed for Brazil; we indicate 101 synonyms, of which eight are newly proposed. Lectotypes are chosen for five names (E. chironii, E. dutrae, E. paraënsis, E. tripartita and Epidendrum capartianum), including accepted names and synonyms. Two names are indicated as invalid (E. randii var. rondoniensis and E. vazzoleri), one name as a nomen nudum (E. guesneliana) and another as superfluous (Epidendrum pabstii). The occurrence of E. auyantepuiensis and E. thienii is confirmed for Brazil, and new occurrences are documented of E. fimbriata in Minas Gerais (in addition to Bahia) and E. linearifolioides in Maranhão and possibly Paraná (in addition to Matto Grosso and Tocatins States and Bolivia and Paraguay). All species are described and illustrated, and distribution maps are included. For both varieties of E. patens, nomenclatural and taxonomic notes are provided.

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Doucette, Alfonso, Jose Portilla und Kenneth Cameron. „Ten new taxa in the orchid subtribe Pleurothallidinae (Epidendroideae, Epidendreae) from Ecuador“. Phytotaxa 257, Nr. 3 (20.04.2016): 230. http://dx.doi.org/10.11646/phytotaxa.257.3.2.

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New species of Masdevallia, Pleurothallis, Stelis, Trisetella and Zootrophion are described and illustrated, including three new forms of Masdevallia and one new form of Pleurothallis. New synonymy is provided for Acianthera dodsonii, Stelis pachyglossa, S. retusa, S. transversalis and Zootrophion serpentinum.

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Zhao, Zhuang, Meng-Yao Zeng, Yu-Wei Wu, Jin-Wei Li, Zhuang Zhou, Zhong-Jian Liu und Ming-He Li. „Characterization and Comparative Analysis of the Complete Plastomes of Five Epidendrum (Epidendreae, Orchidaceae) Species“. International Journal of Molecular Sciences 24, Nr. 19 (22.09.2023): 14437. http://dx.doi.org/10.3390/ijms241914437.

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Epidendrum, one of the three largest genera of Orchidaceae, exhibits significant horticultural and ornamental value and serves as an important research model in conservation, ecology, and evolutionary biology. Given the ambiguous identification of germplasm and complex evolutionary relationships within the genus, the complete plastome of this genus (including five species) were firstly sequenced and assembled to explore their characterizations. The plastomes exhibited a typical quadripartite structure. The lengths of the plastomes ranged from 147,902 bp to 150,986 bp, with a GC content of 37.16% to 37.33%. Gene annotation revealed the presence of 78–82 protein-coding genes, 38 tRNAs, and 8 rRNAs. A total of 25–38 long repeats and 130–149 SSRs were detected. Analysis of relative synonymous codon usage (RSCU) indicated that leucine (Leu) was the most and cysteine (Cys) was the least. The consistent and robust phylogenetic relationships of Epidendrum and its closely related taxa were established using a total of 43 plastid genomes from the tribe Epidendreae. The genus Epidendrum was supported as a monophyletic group and as a sister to Cattleya. Meanwhile, four mutational hotspots (trnCGCA–petN, trnDGUC–trnYGUA, trnSGCU–trnGUCC, and rpl32–trnLUAG) were identified for further phylogenetic studies. Our analysis demonstrates the promising utility of plastomes in inferring the phylogenetic relationships of Epidendrum.

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Niissalo, M. A., P. K. F. Leong, F. E. L. Tay, L. M. Choo, H. Kurzweil und G. S. Khew. „A new species of Claderia (Orchidaceae)“. Gardens’ Bulletin Singapore 75, Nr. 1 (12.06.2023): 21–41. http://dx.doi.org/10.26492/gbs75(1).2023-02.

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A little-studied orchid genus, Claderia Hook.f., has until now contained just one or two species, Claderia viridiflora Hook.f. and its possible synonym, C. papuana Schltr. We describe a new species from Singapore, which differs from these Claderia in having small, cream-yellow flowers that are nodding and presented in a long, unbranched terminal inflorescence, mostly with two flowers open simultaneously. We name the new species Claderia leontocampus Niissalo. Plants of the new species have been collected or recorded in Sumatra, Peninsular Malaysia and possibly Peninsular Thailand. We carried out population genetics analyses to show distinction between the new species and Claderia viridiflora. The two species occur in the same habitat in Singapore. We used phylogenetic analyses to find out the phylogenetic position of Claderia within Orchidaceae; the genus is here considered to belong to subfamily Epidendroideae Kostel., tribe Epidendreae Lindl., subtribe Claderiinae Szlach. We publish the plastome and ITS sequences of Claderia viridiflora. Two names are lectotypified.

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10

Bonilla-Sánchez, Adriana Paola, und Hilda Rocío Mosquera-Mosquera. „Viabilidad y germinación in vitro de taxones de las tribus Cymbidieae y Epidendreae (subfamilia Epidendroideae, Orchidaceae)“. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales 43, Nr. 168 (25.09.2019): 494–501. http://dx.doi.org/10.18257/raccefyn.888.

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Las orquídeas Epidendroideae presentan el polen organizado en polinios con diferente grado de compactación; cada polinio puede contener hasta 4 millones de granos de polen. En este estudio se evaluó la viabilidad y la germinación in vitro del polen aglutinado en polinios. Se evaluó la calidad polínica de siete taxones en dos tribus utilizando métodos palinológicos ex vitro (tinción con acetocarmín glicerol al 2 %) y directos (germinación in vitro) en tres medios, M1, M2 y M3. La viabilidad con acetocarmín fue superior al 85 % en los siete taxones estudiados. El mayor porcentaje de germinación in vitro se obtuvo en Catasetum tabulare, con un 16 %; en el resto de taxones los valores oscilaron entre el 2 % y el 5 % a las 72 horas de observación. El medio M3 fue el más exitoso, con 18 y 20 % de germinación en los taxones estudiados. Aunque la viabilidad del polen es alta, presenta tasas muy bajas de germinación, probablemente por el alto grado de compactación y la ausencia de aperturas, lo que la hace lenta y poco efectiva en medios artificiales. Los resultados ratificaron que no todo el polen viable germina, y que existe un alto grado de especificidad y dependencia frente a las sustancias estimuladoras de la germinación del polen provenientes del estigma de las orquídeas, lo que hace necesario seguir profundizando en el análisis de la biología del polen de la subfamilia Epidendroideae para comprender un poco más sus procesos de multiplicación natural.

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Mehr Quellen

Dissertationen zum Thema "Epidendreae"

1

Van, Den Berg Cassio. „Molecular phylogenetics of tribe Epidendreae with emphasis on subtribe Laeliinae (Orchidaceae)“. Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394478.

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Bücher zum Thema "Epidendreae"

1

Berg, Cássio van den. Molecular Phylogenetics of Tribe Epidendreae with Emphasis on Subtribe Laeliinae: A Thesis Submitted to the University of Reading for the Degree of Doctor of Philosophy. Independently Published, 2000.

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Buchteile zum Thema "Epidendreae"

1

Argue, Charles L. „Tribes Cymbidieae and Epidendreae“. In The Pollination Biology of North American Orchids: Volume 2, 141–46. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0622-8_7.

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2

Jin, Xiaohua, Jianwu Li, Deping Ye und Zan Li. „Plants of Tribe Epidendreae and Collabieae“. In Atlas of Chinese Native Orchids, 559–619. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-4853-6_14.

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3

„Tribe Epidendreae“. In Genera Orchidacearum, herausgegeben von Alec M. Pridgeon, Phillip J. Cribb, Mark W. Chase und Finn N. Rasmussen, 162–434. Oxford University PressOxford, 2005. http://dx.doi.org/10.1093/oso/9780198507123.003.0004.

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Abstract Plants terrestrial, rupicolous, or epiphytic, or achloro phyllouss aprophytes. Root velamen usually ofthe Epidendrum-, CalantheorPleurothallistype. Stem slender or transformed into pseudobulbs, generally ofseveral internodes. Leavesnone, one to many onpseudobulbs or many distichous on reed-stems, plicate or con-duplicate, membranous to fleshy or terete, articulate. Inflorescences lateral or terminal, racemose or paniculate. Labellum free orattached to the column in various degrees. Column foot presentor not; pollinia eight, six, four, or two, coherent (rarely soft), flat-tened, ovoid, or clavate, with caudicles. (CvdB)

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„Malaxeae and Epidendreae“. In The Works of Charles Darwin: Vol 17: The Various Contrivances by Which Orchids are Fertilised by Insects, 112–26. Routledge, 2016. http://dx.doi.org/10.4324/9781315476971-12.

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5

„epidendral, adj.“ In Oxford English Dictionary. 3. Aufl. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/1252476392.

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