Showing papers in "Botanical Journal of the Linnean Society in 2015"

TL;DR: A revised classification of Orchidaceae is presented including a list of all 736 currently recognized genera, and three new tribes are recognized within Epidendroideae, which has been much clarified by analyses of multiple plastid DNA regions and the low-copy nuclear gene Xdh.

TL;DR: Funding for the phylogeny and classification of Carex was received from the Natural Sciences and Engineering Research Council, Canada, and the National Natural Science Foundation of China.

TL;DR: This survey identifies five major origins of CAM photosynthesis at a higher taxonomic level in Bromeliaceae, but future phylogenetic work is likely to reveal a more fine-scale pattern of gains and losses of this trait, especially in ecologically diverse and widely distributed genera such as Tillandsia and Puya.

TL;DR: This work proposes a set of 34 fossils representing 19 families and eight orders for calibrating the ages of major monocot clades, selected because they can be placed in particular clades with confidence and they come from well-dated stratigraphic sequences.

TL;DR: This study sequenced and analysed a fragment of the low-copy, nuclear phytochrome C (PHYC) gene and combined these data with a previous multigene data set to determine if adding this marker improved resolution and support of relationships among major lineages of monocots.

TL;DR: 199 new DNA sequences and a nearly threefold increase in genome size estimates in polyploid and diploid Veronica (Plantaginaceae) are contributed to provide a comprehensive baseline to explore the effect of genome size changes.

TL;DR: In most angiosperms the carpels become closed before the ovules are visible from the outside of the still incompletely closed carpels (early carpel closure), but this is notably the case in the ANITA grade and magnoliids.

TL;DR: In this study, leaf shape and size variability of three white oak species was investigated by means of a two-dimensional landmark-based method providing improved knowledge of variance partitioning, species discrimination, fluctuating asymmetry and allometric patterns of variation resulting from the different analyses.

TL;DR: The molecular data indicate that the ‘Arenaria s.s. clade’ consists of a few well-supported subgroups and that the current subgeneric classification of the genus does not reflect evolutionary history.

TL;DR: A morphological and molecular revision of the group, a thorough nomenclatural study of available names and the reconstruction of possible phylogenetic relationships in the A.’saxatile group are studied.

TL;DR: The diversity of expression in axial parenchyma (or lack of it) in woods is reviewed and synthesized with recent work in wood physiology, and questions and hypotheses relative to axial tournais anatomy are offered.

TL;DR: Investigation if a specialized pollination system limits the persistence of Caladenia huegelii (Orchidaceae), an endangered species pollinated by sexual deception of thynnine wasps finds low reproductive success, and future research will need to focus on optimizing hand pollination to maintain reproduction and high seed fitness.

TL;DR: The study presents the first part and so far the only national IUCN Red Data List for a large group of Moroccan plants, and thus provides an overview of the threatened Moroccan flora.

TL;DR: It is argued that the new root-borne fungus colonizing the rooting system of the early lycopod Asteroxylon mackiei, which possessed the most evolved rooting system among the Rhynie Chert plants, was probably parasitic.

TL;DR: Litter-trapping plants have specialized growth habits and morphologies that enable them to capture falling leaf litter and other debris, which the plants use for nutrition after the litter has decayed.

TL;DR: Floral morphology suggests that delayed selfing occurs in the autonomous self-pollinated species, and separation between stigma and stamens could result in self- pollination in the remaining species being avoided.

TL;DR: The role of space and environment on species composition varied according to distinct epiphytic species groups, and for Bromeliaceae and Orchidaceae, the main factor associated with floristic similarity was space.

TL;DR: The genetic patterns suggest limited seed dispersal, with differentiation in the plastid DNA genome being driven by genetic drift, and pollen movement, although generally restricted, may occur between neighbouring populations, resulting in a pattern of isolation by distance in the nuclear markers.

TL;DR: Colour, scent and nectar characteristics differ from insect-pollinated Satyrium species and are consistent with those expected for bird- pollinated flowers, and may contribute to lack of visitation by other potential long-tongued pollinators.

TL;DR: This research was funded by grants from Main Roads Western Australia, the Holsworth Wildlife Research Endowment, the School of Plant Biology at the University of Western Australia and an ARC linkage project awarded to R.P. and K.W.D.

TL;DR: How many species of Isothecium(Lembophyllaceae, Bryophyta) are there in Macaronesia?

TL;DR: A number of well-supported and morphologically distinct clades in Merremieae are recognized which accommodate most of the species in the tribe and provide a framework for a generic revision of the assemblage.

TL;DR: Current climate and glacial-interglacial temperature change are important drivers for functional trait distributions of New World palms, suggesting larger median trait values with increasing seasonality.

TL;DR: It seems that ecarunculate seeds are plesiomorphic in sections Helioscopia and Herpetorrhizae, and the presence or absence of granulate elements on seed surfaces represents a phylogenetically important trait for section delimitation.

TL;DR: The low genetic diversity, unimodal mismatch distribution and unfavourable climatic conditions in the southern region suggest a recent southward expansion of the range of the species during the Holocene, supporting the hypothesis of the southward Expansion of SDTFs during this period.

TL;DR: For Radula spp. as discussed by the authors showed that there is overlap in the lobule shape space occupied by subgenera, such that the shape does not always reflect relationships, and that convergent lobule shapes result from convergent ontogenies and are correlated with bipinnately branched shoot systems and robust primary stems.

TL;DR: This research attacked the mode of action of determinants of disease by studying the response of the immune system toAgentes Exactas Fisicas y Naturales, a substance which damages the immune systems of animals.

TL;DR: The liverwort Haplomitrium gibbsiae is shown to regularly produce spores released in the form of permanent dyad pairs, the first demonstration of their occurrence in a living plant, a species belonging to Haplomitriopsida, which resolves in a clade that is considered to be sister to all remaining liverworts.

TL;DR: The findings suggest that these fir taxa might have continued to expand their range after the largest glaciation until the end of the last glaciation, but have contracted since then with the increasing temperature and habitat changes.

TL;DR: The role and ecology of the relatively high-diversity monocot fossils in the sclerophyllous swamp forest at Newvale Mine in Southland and the lake-edge rainforest at Foulden Maar are explored.