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February 2017 - present
Publications
Publications (31)
The Orchidaceae family is one of the most diverse within the Angiosperms, and Epidendrum is one of its largest genera. A new species of this genus, Epidendrum rasmussenii, is here illustrated, described, and compared with morphological and geographically similar species. This species was found in a cloud forest of The Sierra Nevada de Santa Marta (...
Completar la Lista Roja de las Plantas de Colombia es una de las metas principales de la Estrategia Nacional para la Conservación de Plantas (ENCP) y es crucial para la planificación de la conservación de la flora del país. La serie del Libro Rojo de Plantas de Colombia realizó la primera contribución importante a la Lista Roja nacional, y desde el...
Phylogenomics enhances our understanding of plant radiations in the biodiverse Andes. Our study focuses on Puya , primarily Andean and a part of the Bromeliaceae family. Using a phylogenomic framework based on the Angiosperms353 probe set for 80 species, we explored Puya ′s phenotypic evolution and biogeography. Divergence time analyses and ancestr...
A new species of Tillandsia from high elevation forests of the Eastern Cordillera of Colombia is described here: Tillandsia chingacensis. This species is unique because of its floral parts densely covered with a resin-like substance, and exceptionally long fruits. Although this species has distichous flowers and bears petal appendages, it was not p...
A bstract
The Andes are a hotspot for biodiversity and high species endemism for both plants and animals. The genus Puya (Bromeliaceae) lives throughout the Andes, including puna and the páramo ecosystems above 3500m. Here, we studied the life history and reproductive size thresholds in three species of Puya ( P. raimondii, P. cryptantha and P. gou...
Puya pendula, a new species from rocky outcrops at mid elevations of the Eastern Cordillera of Colombia is described here. This new species is unique within Puya because of its rupicolous habit, pendulous inflorescence, glabrescent floral bracts, pedicels and sepals covered with glandular hairs, and white petals with a green central longitudinal st...
Three new species of Ronnbergia (Bromeliaceae: Bromelioideae) and two new records of the same genus for Colombia are described. The three new species correspond to (1) Ronnbergia igneosepala from the slopes of the Western Cordillera in Nariño (Colombia), which is unique by its orange floral bracts and sepals; (2) R. robusta from the Pacific Littora...
Anexo 2. Diversidad florística. Se presenta una lista de las plantas vasculares presentes en Bogotá D.C. (Anexo 2), con 3017 especies y 27 híbridos, para un total de 3044 taxones organizados por familia, con los siguientes campos: endemismo para Colombia, estado de amenaza de extinción, origen (nativa/ no nativa), y un ejemplar representativo del D...
Bogotá is a megadiverse capital district in the tropical Andes with more than
3000 species of vascular plants and 76% of rural areas. The study of the flora
of Bogotá is an ambitious scientific project that seeks to answer the following
questions: What are the families, genera and plant species that grow in Bogotá?
Where do they occur within the di...
Bogotá D.C. is a highly diverse territory in the tropical Andes, with more than 70% rural area, where high mountain ecosystems predominate. Despite its richness and floristic diversity, an inventory of the species of the vascular flora of the District has not been gathered until now. For this reason, the first inventory of the native and non-native...
Generic status for the Amazonian Hylaeaicum is proposed within the Aechmea alliance, excluding it from the “Nidularioid complex” in general and from Neoregelia in particular. The monophyly of this new genus is supported by molecular phylogenetic analyses. The taxonomic circumscription of Hylaeaicum is based on the combination of geographical range...
Aim
There is little consensus on which environmental variables are best at predicting multiple dimensions of diversity. We ask whether there are common environmental correlates of diversity, despite ecological differences, across nine clades of plants and animals distributed along a single rainforest domain. For that, we compare the environmental c...
Bogotá, Distrito Capital, es un territorio altamente diverso de los Andes tropicales, con más de 70 % de área rural, en donde predominan ecosistemas de alta montaña. A pesar de su riqueza y diversidad florística, hasta la fecha no se ha realizado un inventario de las especies que componen la flora del Distrito. Por esta razón, se presenta el primer...
Aunque el nombre “Flora de Bogotá” se ha venido usando desde tiempos de Mutis en el siglo XVIII, y este proyecto inició la Real Expedición Botánica en 1783, hasta el momento el Distrito Capital no cuenta con una versión final de la Flora. El Jardín Botánico de Bogotá “José Celestino Mutis”, como heredero natural de la misión de conocer la diversida...
Aim
We combine phylogenetic and point locality data from selected lineages of the Atlantic Forest flora and fauna to compare spatial patterns of biodiversity sustained by the current configuration of forest remnants to a scenario of complete forest preservation. We then ask the question "how much biodiversity is likely lost, already"? Specifically,...
We combine remote sensing (RS) measurements of temperature and precipitation with phylogenetic and distribution data from three plant clades with different life forms, i.e., shrubs and treelets (tribe Miconieae, Melastomes), epiphytes (Ronnbergia-Wittmackia alliance, Bromeliaceae), and lianas (“Fridericia and Allies” clade, Bignoniaceae), to predic...
The Ronnbergia alliance is a lineage of two genera, Ronnbergia and Wittmackia, which diversified in three centres of distribution; the Pacific Forest, the Atlantic Forest and the Caribbean. In this study, we reconstructed the most plausible biogeographic scenario that explain the disjunct evolution of the Ronnbergia alliance in these centres of div...
The Ronnbergia alliance is a lineage of two genera, Ronnbergia and Wittmackia, which diversified in three centres of distribution; the Pacific Forest, the Atlantic Forest and the Caribbean. In this study, we reconstructed the most plausible biogeographic scenario that explain the disjunct evolution of the Ronnbergia alliance in these centres of div...
Two new species of Bromelioideae (Bromeliaceae) from the Colombian Amazon are described: Aechmea cardenasii and A. andaquiensis. Aechmea cardenasii is significantly different from other species of Bromelioideae, although it roughly resembles A. rubiginosa because of its simple, strobilate inflorescence. Aechmea andaquiensis belongs to a taxonomic c...
Dos nuevas especies de Miconia (Melastomataceae) del piedemonte oriental de la cordillera Central de Antioquia, Colombia Resumen Se describen dos especies de Melastomataceae de frutos carnosos procedentes del departamento de Antioquia, Colombia: Miconia mailynii y Miconia hernandogarciae. Miconia mailynii se caracteriza por la presencia de mirmecóf...
A taxonomic revision of the 17 Caribbean-endemic species of Wittmackia (Bromeliaceae) is presented. This group is a monophyletic lineage previously circumscribed as Hohenbergia subg. Wittmackiopsis but later transferred to Wittmackia based on phylogenetic and morphological evidence. This taxonomic treatment includes a complete overview of the morph...
El monitoreo permanente en ecosistemas con prioridad de conservación, como
el bosque seco, es fundamental
para comprender las dinámicas ecológicas y proponer medidas de manejo para su gestión integral.
The Ronnbergia Alliance is a recently described lineage composed of two highly supported and identifiable clades with strong geographic correlation: the Pacific and the Atlantic clades. These clades, however, are composed by species currently placed in the polyphyletic genera Aechmea, Hohenbergia, and Ronnbergia. This study aims to reorganize the s...
The tank-epiphytic clade of berry-fruited bromeliads, also known as the Core Bromelioideae, represents a remarkable event of adaptive radiation within the Bromeliaceae; however, the details of this radiation have been difficult to study because this lineage is plagued with generic delimitation problems. In this study, we used a phylogenetic approac...
Recent botanical expeditions to the Dolphin Head Mountains in western Jamaica allowed the collection of different specimens of a new species, Hohenbergia rohan-estyi, an enigmatic plant that resembles the also Jamaican-endemic H. negrilen-sis. In this study, we describe H. rohan-estyi and include notes on its geographical distribution, habitat, con...
Abstract— Two new species and a new combination for Steyerbromelia (Bromeliaceae: Navioideae) are presented. These novelties represent the first records of Steyerbromelia for Colombia. The new species, Steyerbromelia naquenensis and Steyerbromelia nukakii, were placed in Steyerbromelia based on the combination of their 3- or 4-divided inflorescence...
Two new species of Disteganthus (Bromeliaceae: Bromelioideae) are described and illustrated. Disteganthus gracieae is described to place specimens previously misidentified as Disteganthus lateralis, but that differ substantially from this species by their gradually narrowed leaf blades, slender inflorescence rachis, long-pedicellate flowers, long-c...
A phylogenetic study testing the monophyly of the geographically disjunct genus Ronnbergia (Bromeliaceae, Bromelioideae) is presented. The phylogenetic analyses were based on taxon sampling that included all but one species of Ronnbergia, and representative lineages across the subfamily Bromelioideae. Three chloroplast DNA sequence markers (matK, p...
Se describen e ilustran cinco especies nuevas de Aechmea (Bromeliaceae: Bromelioideae) para Colombia: A. confertiflora y A. viridispica del norte de los Andes, A. longipedunculata y A. longiramosa de la planicie amazónica y A. baudoensis de la región biogeográfica del Chocó. Además, para cada especie se presentan notas sobre sus relaciones taxonómi...
A synopsis of Aechmea (Bromeliaceae: Bromelioideae) for Colombia is presented, including the genus description, an artificial identification key and an annotated list of the species. Comments about the growth habit, conservation, and geographical and altitudinal distribution of the species are included. Forty four species of Aechmea are recorded fo...
RESUMEN Se presenta la sinopsis de Aechmea (Bromeliaceae: Bromelioideae) para Colombia, la cual incluye la descripción del género, una clave para la identificación de las especies y la lista anotada de las mismas. Además, para cada especie se incluyen comentarios sobre el hábito de crecimiento, la categoría de amenaza y la distribución geográfica y...
