The species of Abrotanella (Compositae) form mats and cushions a few centimetres high and up to a metre or more in diameter. The ... and southern South America. The putative affinities of Abrotanella involve several tribes of Compositae and the genus ... A comparative analysis of areas of endemism in Abrotanella shows clear patterns of vicariance and disjunction shared ... and longdistance dispersal is rejected as an explanation. Abrotanella and the three genera related to it are ... relations as incongruent. Distributions of the taxa in Abrotanella are correlated with tectonic features such as plate ...
Tópico(s): Scarabaeidae Beetle Taxonomy and Biogeography
1999 - Oxford University Press | Biological Journal of the Linnean Society
Steven J. Wagstaff, Ilse Breitwieser, Ulf Swenson,
Abstract Relationships of the small austral genus Abrotanella are uncertain. It was previously included in the Anthemideae or more recently in the Senecioneae. We conducted a phylogenetic analysis of 39 accessions that included most species of Abrotanella and putative relatives including Blennosperma, Crocidium and Ischnea. ... well‐supported clade nested within the Senecioneae, while Abrotanella forms another well‐supported clade that is distinct ... its sister is not resolved. Molecular dating of Abrotanella suggests that the lineage initially diverged during the ...
Tópico(s): Plant Diversity and Evolution
2006 - Wiley | Taxon
... Blennospermatinae is usually defined to comprise four genera (Abrotanella, Blennosperma, Crocidium, and Ischnea). The placement of Abrotanella in the Blennospermatinae has been disputed, and the ... support for grouping Blennosperma with the Senecioneae, while Abrotanella is only weakly associated with the Senecioneae and ... include only Blennosperma, Crocidium, and Ischnea, but not Abrotanella. The tribal position of Abrotanella remains uncertain.
Tópico(s): Plant Taxonomy and Phylogenetics
1999 - Wiley | Taxon
Historical biogeography of the trans-Pacific Asteraceae genus Abrotanella (Senecioneae, Blen- nospermatinae) was analyzed with cladistic methods. ... a glaciated Antarctica. Four fully resolved cladograms of Abrotanella were mapped on the area cladograms using the ... COMPONENT to assess conformity between distribution patterns in Abrotanella and geological area relationships. The analysis revealed a ... South America as part of the area where Abrotanella originated. The distribution of at least two species ...
Tópico(s): Plant Taxonomy and Phylogenetics
1997 - American Society of Plant Taxonomists | Systematic Botany
... its status as a separate genus was supported. Abrotanella is a genus of 19 species confined to ... Southern Hemisphere. Monophyly and the isolated position of Abrotanella was strengthened. One clade of the genus has ... cypsela reduction. Different floral colors have evolved in Abrotanella, and the deep yellow color found in the ... white-flowered capitulum is a derived character within Abrotanella originating in New Zealand. A purple-flowered capitulum, also restricted to Abrotanella, is a repeatedly evolved apomorphic character found in ...
Tópico(s): Botanical Studies and Applications
1997 - Oxford University Press | Systematic Biology
Harald Greger, Christa Zdero, F Bohlmann,
Abrotanella forsterioides afrorded euparin, 6-hydroxytremetone and three 6-hydroxytoxol esters, one of them not being isolated ... was isolated. The tribal position of the genus Abrotanella in the Compositae is still an unsolved problem. ...
Tópico(s): Natural product bioactivities and synthesis
1983 - Elsevier BV | Phytochemistry
Abrotanella is the basal genus in the large tribe Senecioneae (Asteraceae) and has a disjunct distribution in ...
Tópico(s): Pacific and Southeast Asian Studies
2012 - Oxford University Press | Biological Journal of the Linnean Society
... pinnately or palmately veined, not spiny, glandular in Abrotanella and Brachyglottis.Inflorescences terminal, or axillary in Bedfordia. ... or discoid, mostly pedunculate, sessile at first in Abrotanella ; involucre comprising an even-heighted inner series of ...
Tópico(s): Botany, Ecology, and Taxonomy Studies
2006 - | Muelleria An Australian Journal of Botany
Abstract Abrotanella rostrata Swenson, a new species of the Asteraceae (Senecioneae), confined to southern South Island, New Zealand, is ... A new diagnostic key to the species of Abrotanella in New Zealand is included. Line drawings and ...
Tópico(s): Botany and Plant Ecology Studies
1996 - Taylor & Francis | New Zealand Journal of Botany
José Antonio Molina, Ana Lumbreras, Alberto Benavent‐González, Ricardo Rozzi, Leopoldo G. Sancho,
... pulvinate-cushion vegetation -tundra- of Bolax gummifera and Abrotanella emarginata at altitudes above 600 masl. Species turnover ... pumilio; and oroantartic tundra of Bolax gummifera and Abrotanella emarginata.
Tópico(s): Climate change and permafrost
2016 - | Gayana. Botánica
Chen Ren, Long Wang, Ze‐Long Nie, Gabriel Johnson, QIN-ER YANG, Jun Wen,
... of the Senecioneae has been confirmed to include Abrotanella and exclude Doronicum, with the former sister to ...
Tópico(s): Botanical Research and Chemistry
2021 - Elsevier BV | Molecular Phylogenetics and Evolution
... continental rifting, terrane accretion, granite emplacement and orogeny.Abrotanella patearoasp. nov., a high-alpine cushion-plant, is ...
Tópico(s): Plant Taxonomy and Phylogenetics
1999 - Oxford University Press | Biological Journal of the Linnean Society
Paul A. Gadek, Jeremy J. Bruhl, Christopher J. Quinn,
... in the light of data on exine structure. Abrotanella, Ischnea and Centipeda have senecioid exines, while Ceratogyne, ...
Tópico(s): Plant Ecology and Taxonomy Studies
1989 - Taylor & Francis | Grana
Peter N. Johnson, Donald J. Campbell,
... alsinoides subsp. atriplicifolium, Haloragis ag-gregata, Galium propinquum, Abrotanella rosulata, Taraxacum magellanicum, Hebe salicifolia, and Limosella lineata. ...
Tópico(s): Plant Taxonomy and Phylogenetics
1975 - Taylor & Francis | New Zealand Journal of Botany
T. Anthonsen, Supa Chantharasakul, E. Raknes, Nils Andreas Sörensen, Alf A. Lindberg, L. Ehrenberg,
Tópico(s): Bioactive natural compounds
1971 - Royal Society of Chemistry | Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry
... 26 bryophytes, and 104 lichens. Undescribed taxa in Abrotanella and Raoulia are included. Occurrence of the lichen ...
Tópico(s): Lichen and fungal ecology
1970 - Taylor & Francis | New Zealand Journal of Botany
Peter J. de Lange, Jian Wang, J. W. Barkla, Andrew J. Marshall,
... for a New Zealand species originally published as Abrotanella christensenii Petrie.The species is described, illustrated and ...
Tópico(s): Plant Diversity and Evolution
2020 - | Ukrainian Botanical Journal
... on this lectotypification, B. simplicifolia is conspecific with Abrotanella linearis Berggr., and being the more recently published ...
Tópico(s): Botany and Plant Ecology Studies
2019 - Taylor & Francis | New Zealand Journal of Botany
... its status as a separate genus was supported. Abrotanella is a genus of 19 species confined to ... Southern Hemisphere. Monophyly and the isolated position of Abrotanella was strengthened. One clade of the genus has ... cypsela reduction. Different floral colors have evolved in Abrotanella, and the deep yellow color found in the ... white-flowered capitulum is a derived character within Abrotanella originating in New Zealand. A purple-flowered capitulum, also restricted to Abrotanella, is a repeatedly evolved apomorphic character found in ...
Tópico(s): Botany and Plant Ecology Studies
1997 - Oxford University Press | Systematic Biology