Results 141 to 150 of about 533 (159)
Tribes Cymbidieae and Epidendreae
, 2011 Eulophia alta and E. ecristata occur in North America north of Florida and Mexico, but their pollination has not been studied here. Although autogamy has been reported elsewhere, a recent Florida study of E. alta found that autogamy was rare and produced seeds that developed more slowly than seed produced by other treatments.
Charles L. Argue
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Biochemical Systematics and Ecology, 2020
Abstract Orchidaceae are one of the largest families of flowering plants. In this work, the first phytochemical study of the non-flowering parts of the South American species Stanhopea lietzei (Regel) Schltr. is reported. It led to the isolation of nine compounds, including the rare dimeric compound 2,2′,7,7′-tetramethoxy-4,4′,6,6′-tetrahydroxy-(1,1′)
Francielle Pelegrín Garcia +2 more
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Abstract Orchidaceae are one of the largest families of flowering plants. In this work, the first phytochemical study of the non-flowering parts of the South American species Stanhopea lietzei (Regel) Schltr. is reported. It led to the isolation of nine compounds, including the rare dimeric compound 2,2′,7,7′-tetramethoxy-4,4′,6,6′-tetrahydroxy-(1,1′)
Francielle Pelegrín Garcia +2 more
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2009
Abstract Epiphytic, terrestrial or lithophytic, predominantly sympodial or, less frequently, monopodial herbs, rarely terrestrial leafless mycotrophs. Roots glabrous. Rhizome creeping. Stems erect, simple, fglexible to stiff, terete to laterally compressed, not swollen or swollen and pseudobulbous, one-to several-noded.
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Abstract Epiphytic, terrestrial or lithophytic, predominantly sympodial or, less frequently, monopodial herbs, rarely terrestrial leafless mycotrophs. Roots glabrous. Rhizome creeping. Stems erect, simple, fglexible to stiff, terete to laterally compressed, not swollen or swollen and pseudobulbous, one-to several-noded.
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American Journal of Botany, 2007 The orchid genus Maxillaria is one of the largest and most common of neotropical orchid genera, but its current generic boundaries and relationships have long been regarded as artificial. Phylogenetic relationships within subtribe Maxillariinae sensu with emphasis on Maxillaria s.l. were inferred using parsimony analyses of individual and combined DNA
W. Mark Whitten +7 more
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Phytotaxa, 2023
The phylogenetic positions of two little-known species of Cymbidium (Cymbidiinae) with creeping rhizomatous habit, C. lii and C. repens, has previously been unclear. Here, we present a comprehensive molecular phylogenetic study of the genus based on nuclear ribosomal ITS and seven plastid regions. All analyses showed that C. lii and C.
Meng-Yao Zeng, Ming-He Li
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The phylogenetic positions of two little-known species of Cymbidium (Cymbidiinae) with creeping rhizomatous habit, C. lii and C. repens, has previously been unclear. Here, we present a comprehensive molecular phylogenetic study of the genus based on nuclear ribosomal ITS and seven plastid regions. All analyses showed that C. lii and C.
Meng-Yao Zeng, Ming-He Li
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A new species of Catasetum (Cymbidieae: Catasetinae) from the Colombian amazonia
2023Resumen Se describe e ilustra una nueva especie, Catasetum caquetense del departamento del Caquetá amazonia colombiana. Catasetum caquetense difiere de especies morfológicamente similares como C. tuberculatum por el callo basal rectangular, entero, denticulado, prominentemente apiculado, rodeado de protuberancias inconspicuas en forma de corona con un ...
Calderón Álvarez, R. Alexis +1 more
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Phytotaxa
The paper presents new data on the orchid diversity of Vietnam obtained mainly during the fieldwork of 2023–2024, as well as a result of investigation of the herbarium and garden collections of Russia and Vietnam. It includes five species new to science, namely Cleisostoma truongquanii, Cymbidium bavuongii, Hemipilia uniflora, Micropera vietnamensis ...
van Canh Nguyen +2 more
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The paper presents new data on the orchid diversity of Vietnam obtained mainly during the fieldwork of 2023–2024, as well as a result of investigation of the herbarium and garden collections of Russia and Vietnam. It includes five species new to science, namely Cleisostoma truongquanii, Cymbidium bavuongii, Hemipilia uniflora, Micropera vietnamensis ...
van Canh Nguyen +2 more
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Acta Botanica Fennica, 2003
This is the third part in a series of studies on the gynostemium structure in the Orchidales. The previous parts were Szlachetko and Rutkowski (2000), and Szlachetko and Margońska (2002). In this part, I present the results of my investigations on the gynostemium structure in the subfamily Vandoideae, the largest and probably taxonomically most ...
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This is the third part in a series of studies on the gynostemium structure in the Orchidales. The previous parts were Szlachetko and Rutkowski (2000), and Szlachetko and Margońska (2002). In this part, I present the results of my investigations on the gynostemium structure in the subfamily Vandoideae, the largest and probably taxonomically most ...
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