FAMILIA BURSERACEAE PDF

FAMILIA BURSERACEAE PDF

Entradas sobre Burseraceae escritas por plantasdecolombia. Bursera simaruba – Burseraceae Búsqueda Rápida – Familia, género o especie. Buscar. Article: La familia Burseraceae en el estado de Aguascalientes, México. Add this to your Mendeley library Report an error. Summary; Details; MODS; BibTeX. Abstract. An account of the species of trees and shrubs of the family Burseraceae in the state of Aguascalientes, Mexico is presented. It includes a key for the.

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The family is sufficiently large to provide adequate statistical power for hypothesis testing and yet small enough to achieve the necessary sampling intensity, allowing us to assess the relative impacts of morphological innovation, ecological opportunity, and biogeographic events on the diversification of Burseraceae and related groups.

Protium heptaphyllum – Wikipédia, a enciclopédia livre

Burseraceae in Eastern Amazonia and the Guianas. Reconstructions of biogeography using the phylogeny of the Burseraceae points bursfraceae a Northern Hemisphere origin with subsequent migrations into Africa, Asia and the New World Tropics Weeks et al. Botanical exploration and the number of botanical collections generated are both drastically down from the levels of activity ten years ago, and some high-profile but ill-conceived initiatives in Amazonia have proven to be expensive, ineffective in their geographic coverage, and wasteful in that they are producing large numbers of mostly useless sterile collections.

Until recently, the subfamilial classification of the Burseraceae was burseraecae a fascinating state of burseracae, but as molecular systematic investigations progress and the results are reconciled with morphology, the Mexican endemic Beiselia is indicated as a monotypic tribe basal to the rest of the family Fig. Burseraceae Bursera simaruba Gumbo-limbo Scientific classification Kingdom: The Burseraceae are also known as the torchwood family, [2] the frankincense and myrrh bursseraceae, or simply the incense tree family.

Three additional groups of species merit similar investigations. Fine are geographically separated and likely are a result of allopatric speciation between different white-sand areas, while P. Taxonomy of Vascular Plants.

Acknowledgements We recognize the support of U. Nordic Journal of Botany Addressing these issues requires a densely sampled, well-supported phylogeny and a detailed study of the morphology and biogeography of the species.

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Still, there is strong cause for hope. Pollen morphology and systematics of Burseraceae. Phylogeny of Acridocarpus-Brachylophon Malpighiaceae: The Protieae are examined in more detail below. Commonly known as tabonuco or gommier, burseracsae candlewoodDacryodes excelsa is a large, dominant tree found in Puerto Rico and other parts of the Caribbean.

With the removal of Trattinnickia Willd. It is important to be very cautious when making sweeping interpretations of biogeographic history when one does not have a comprehensive sample of all of the taxa including extinct species. Bursereae subtribe Burserinae Bursera Commiphora myrrh. burseraceqe

Burseraceae: a model for studying the Amazon flora

In tribe Bursereae, Bursera moves toward absorbing Commiphoraas recent phylogenetic analyses are revealing new patterns within traditional lineages, with Bursera subgenus Elaphrium Jacq. For example, most if not all of the clade that includes Protium altsonii Sandwith, P. The family is ecologically versatile overall, but individual species tend to show habitat preferences and a number are habitat specialists, although few species of Burseraceae are found as habitat specialists in flooded, poorly-drained or extremely poor soils; those that do are often restricted geographically.

Subsequent cooling and drying of the global climate caused two lineages of the Protieae to move south, one towards the Old World tropics and another towards South America. Another challenge is posed by the large number of undescribed species in some genera and in some geographic regions. The family includes both trees and shrubsand is native to tropical regions of Africa, Asia, and the Americas. The Burseraceae are characterized by the nonallergenic resin they produce in virtually all plant tissue and the distinctive smooth, yet flaking, aromatic bark.

Categoría: Burseraceae

For example, Protium fragrans from Cuba falls neatly within a well-supported Icicopsis clade, as originally proposed by Swart and, similarly, the Guianas endemic P. The synapomorphies of the Sapindales include pinnately compound, alternate and spiral leaves that may be palmately compound, trifoliate, or unifoliate, and small four- or five-merous flowers having a characteristic nectar disk and imbricate petals and sepals. World pollen and spore flora The molecular-based phylogeny has also contributed to the circumscription of these sections, including unusual taxa that were misplaced on first examination.

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Buseraceae in the genus Burseraespecially the so-called elephant treegrow primarily in Mexico, where their secretions are a raw material in making varnish.

Another traditional character set that inexplicably has been neglected to date in the family is leaf let bhrseraceae, and we have begun to build a more extensive collection of liquid-preserved leaf material; one curious aspect of Burseraceae leaflet morphology is the pulvinulus, and lab studies are needed to determine its anatomical structure and whether these are “present” anatomically even when they are not visible in taxa normally characterized by them.

Dacryodes is pantropical as currently circumscribed but may prove to be polyphyletic A.

Elsewhere, professors of botany have such heavy teaching loads that they familiz difficulty finding time to identify plants and conduct systematic research. For the Burseraceae in general, most key geographic gaps are in the Malesian region, especially Borneo, the uplands of New Guinea, the Philippines, Vietnam and neighboring countries. A well-sampled phylogeny can provide insights gamilia the historical biogeography of a lineage.

These issues extending beyond the limits of Amazonia also go well beyond nomenclature, because they affect conclusions about diversity, endemism, biogeography, and conservation. Icicopsisan object of current revision, is both variable and repetitive vegetatively while the fruits rarely help; it is possible that hair types and surface features like lenticels will yield useful keys.

The wood itself is useful for constructing housing, furniture, boxes, small boats, and a variety of other wood-based products; the utility of the wood is comparable to that of mahogany and birch.

These resins are extracted via tapping, or cutting of the bark to make it release sap. The University of Texas, Austin. An ecologically significant new species of Dacryodes from the northern Andes.