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Acta Biológica Colombiana
Article . 2000
Data sources: DOAJ
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DIGITAL.CSIC
Conference object . 2012 . Peer-reviewed
Data sources: DIGITAL.CSIC
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Revisión taxonómica de la familia Celastraceae para la flora de Colombia

Authors: Sánchez Montaño, Luis Roberto; Fernández-Alonso, José Luis;

Revisión taxonómica de la familia Celastraceae para la flora de Colombia

Abstract

[ES]Se adelantó el tratamiento taxonómico de las Celastraceae, con base en un estudio decaracteres morfológicos y de polen, a partir de exsicados pertenecientes a los distintosherbarios del país y a algunos del exterior como lo son MG, MO, NY y US, junto con caracterestomados directamente de plantas en campo, concatenado con los patrones de distribución.Además del estudio taxonómico también se hizo una revisión de la nomenclatura de este grupode plantas, que permitiera establecer los nombres válidos, cuales son sinónimos y donde selocalizan los tipos de cada especie. Se compararon los caracteres establecidos en lasdescripciones de las especies con los observados en el material de estudio. En el estudiopolínico se tuvo en cuenta el tipo de grano, aberturas, forma del poro, presencia de margeny de costilla, ámbito, exina, sexina y nexina, reticulación, y medidas que incluyen ejes ecuatorialy polar, relaciones P/E, L. A.; I. A, P. y largo y ancho de poros y colpos. Se analizaron catorcemuestras para polen, pertencientes a los ocho géneros nativos, encontrándose que lapalinología hace aportes valiosos en la delimitación de taxones, suministrando caracteresválidos taxonómicamente, que se complementan con los demás caracteres morfológicos. Seajustó la descripción taxonómica de la familia, de acuerdo a los taxones constituyentes propiosde Colombia, se hicieron claves dicotómicas para diferenciar géneros y especies, además de ladescripción de cada una de las especies con su distribución. Se cita el material estudiado decada taxón y en algunos casos se hicieron dibujos de las especies, al menos una en cada género.Se encontraron ocho géneros nativos y un cultivado, siendo los siguientes: Celastrus cuatroespecies de selva andina y subandina. Crossopetalum dos especies de islas de Tintipan y de SanAndrés y Providencia. Goupia con una especie de selva húmeda ecuatorial. Gymnosporia: dosespecies, una de selva andina y la otra de selva húmeda ecuatorial; Maytenus, tratado comosinopsis preliminar, con 26 especies de diferentes ambientes. Perrottetia: diez especies, de ellascuatro nuevas, una de piedemonte, las demás de las franjas de neblina andina-subandina.Schaefferia: una especie de bosque seco de clima caliente. Zinowiewia: cuatro especies de selvasde neblina de la franja andina-subandina. Se caracterizó a Euonymus como género introducidocon únicamente una especie cultivada para ornamento en ciudades de clima frío.

[EN] ABSTRACTTaxonomic processing of the Celastraceae was made based on morphological characters andpollen from exsiccates pertaining to the different herbaria from Colombia an some fromoutside: MO, NY y US, along with characters taken directly from plants in the field,concatenating with the distributions patterns. Besides the taxonomical study, a review of thisplant group nomenclature was made, in order to establish the valid names, those ones whichare synonymous, and species location. The characters established in the descriptions of thespecies were compared with the observed ones in the study material. The study of pollen tookinto account grain type, opening of the pores, presence of rims and ribs ambit, exine, sexine andnexine, reticulation and measurements including equatorial and polar axis and the ratio long-width of pores and colpes. Fourteen pollen samples were analyzed, belonging to 8 nativegenera, revealing that palinology makes valuable contributions in the boundary of taxons,providing valid characters, that they are complemented with the other morphologic characters.The taxonomic description of the family fits with the Colombian constituent taxons.Dichotomizing keys were made in order to identify genera and species, and descriptions of eachone of the species, as well as their distribution, citation studied material of each taxon and insome cases illustrations of the species, were drawn at least one for each genus. Eigth native and1 cultivated genera were found: Celastrus 4, andean and subandean woody scandent species.Crossopetalum: 2 species of islands of Tintipán and San Andrés and Providencia. Goupia: 1species from equatorial rain forest. Gymnosporia: 2 species, one of forest of the median valleyof Magdalena and the other of the andean and subandean forest. Maytenus considered aspreliminary synopsis, with 26 species coming of different habitats. Perrottetia with 10 species,4 of these new; 1 species from piedemonte, the rest live in andean and subandean mist belts.Schaefferia: 1 species from subxerofitic and warm places. Zinowiewia: 4 species from Andeanand subandean mist belts. Euonymus: 1 cultivated species in cold climate towns.

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Spain
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Keywords

Ecología vegetal, Taxonomía, Flora, Morfología comparadaPalinología, QH301-705.5, Celastraceae, Biology (General)

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
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