Topic
Greigia
About: Greigia is a research topic. Over the lifetime, 7 publications have been published within this topic receiving 302 citations.
Papers
1 Jan 2000
TL;DR: This book, first published in 2000, presents a synthesis of the extensive information available on the biology of Bromeliacea, a largely neotropical family of about 2700 described species, concentrates on function and underlying mechanisms.
Abstract: This book, first published in 2000, presents a synthesis of the extensive information available on the biology of Bromeliacea, a largely neotropical family of about 2700 described species. Reproductive and vegetative structure and related physiology, ecology and evolution are emphasized, rather than floristics and taxonomy. Guiding questions include: why is this family inordinately successful in arboreal (epiphytic) and other typically stressful habitats and also so important to extensive fauna beyond pollinators and frugivores in the forest canopy? Extraordinary and sometimes novel mechanisms that mediate water balance, tolerance for high and low exposures, and mutualisms with ants have received much study and allow interesting comparisons among plant taxa and help explain why members of this taxon exhibit more adaptive and ecological variety than most other families of flowering plants. This volume concentrates on function and underlying mechanisms, thus will round out a literature that otherwise mostly ignores basic biology in favour of taxonomy and horticulture.
85 citations
10 Aug 1998
TL;DR: Four new taxa of Bromeliaceae are described:Billbergia acreana from Brazil; Pitcairnia chocoensis from Colombia; andGuzmania diazii andPitcairnia filifera from Peru.
Abstract: Seven new taxa of Bromeliaceae are described: Greigia atrocastanea and Werauhia boliviana from Bolivia; Guzmania breviscapa from Colombia; Aechmea manzanaresiana and Billbergia brachysiphon var. breviflora from Ecuador; Greigia raporum and Greigia vilcabambae from Peru. Also included is a new name and combination: Aechmea confusa. Miscellaneous New Taxa of Bromeliaceae (XII) appeared in Selbyana 19(1): 83-90. 1998.
3 citations
1 Jan 2009
TL;DR: Three new endemic species of Greigia Regel (Bromeliaceae) from Bolivia are described and a key to the eight Bolivian species ofGreigia is provided.
Abstract: We describe three new endemic species of Greigia Regel (Bromeliaceae) from Bolivia: Greigia acebeyi B. Will, T. Kromer, M. Kessler, D. Karger and H. Luther, Greigia marioae B. Will, T. Kromer, M. Kessler, D. Karger and H. Luther, Greigia membranacea B. Will, T. Kromer, M. Kessler, D. Karger and H. Luther. Greigia danielii L.B.Smith and G. stenolepis L.B.Smith vel aff. are reported for the first time for Bolivia. A key to the eight Bolivian species of Greigia is provided.
3 citations
TL;DR: Within Bromelioideae, the AFLP technique was applied to assess relationships among selected groups of genera and in the Ochagavia/Fascicularia group, AFLP data fully confirmed the systematic relationships based on morphological and anatomical characters.
Abstract: A reconstruction of the phylogeny of Bromeliaceae based on sequence data from three noncoding chloroplast DNA markers (trnL intron, trnT-trnL, and trnT-trnF intergenic spacer [IGS]) is presented, including 26 genera and 33 species. Relationships of Bromelioideae and phylogeny within this subfamily were analyzed in more detail on the basis of two of these markers (trnL intron and trnL-trnF IGS) using a set of 37 genera/74 species of Bromeliaceae, including 28 genera/60 species of Bromelioideae. Sister group relationships of Bromelioideae were not resolved with sufficient reliability, but the most likely candidates are the genera Fosterella and Puya. The basal phylogeny of Bromelioideae also was not resolved. Greigia, Ochagavia/Fascicularia/Fernseea, Deinacanthon, Bromelia, and a "core group" of the remaining Bromelioideae formed a basal polytomy. Within Bromelioideae, the AFLP technique was applied to assess relationships among selected groups of genera. In the Ochagavia/Fascicularia group (5 species and subspecies/16 accessions), AFLP data fully confirmed the systematic relationships based on morphological and anatomical characters. Investigation of 30 Aechmea species (33 accessions), including all subgenera and one species each from the related genera Ursulaea, Portea, Chevaliera, and Streptocalyx produced no resolution for several of the species. Clades that received good bootstrap support generally did not correspond with the delimitation of subgenera of Aechmea. Additionally, leaf blade anatomy of these species was investigated. The results corresponded partly with those of the AFLP analysis. Generic rank for Ursulaea and Portea was not supported.
TL;DR: The character state reconstruction reveals the great importance of the evolution of the tank habit for the diversification of the core bromelioids and the highly problematic generic concept of Aechmea as well as Quesnelia.
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2009 | 3 |
| 2007 | 1 |
| 2005 | 1 |
| 2000 | 1 |
| 1998 | 1 |