Results 161 to 170 of about 2,543 (198)

Plastid phylogenomic insights into the evolution of Caryophyllales

Molecular Phylogenetics and Evolution, 2019
The Caryophyllales includes 40 families and 12,500 species, representing a large and diverse clade of angiosperms. Collectively, members of the clade grow on all continents and in all terrestrial biomes and often occupy extreme habitats (e.g., xeric, salty).
Gang Yao, Jian-Jun Jin, Jun-Bo Yang
exaly   +4 more sources

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Complex pigment evolution in the Caryophyllales

New Phytologist, 2011
SummaryCarotenoids and flavonoids including anthocyanins are the predominant pigments in flowering plants, where they play important roles in pollination, seed dispersal, protection against stress and signalling. In certain families within the Pentapetalae order Caryophyllales, an unusual class of pigments, known as betalains, replaces the more common ...
Samuel F Brockington, Beverley J Glover, Pamela S Soltis   +2 more
exaly   +3 more sources

The family Nyctaginaceae (Caryophyllales) in Sonora, Mexico

Phytotaxa, 2022
The family Nyctaginaceae comprises 7 tribes, 31 genera and 300–405 species distributed in the tropics and other warm regions of the world, and in Mexico, it has been studied mainly in the central-southern zone of the country. The aim of this work is to report the genera and species of Nyctaginaceae found in Sonora.
Sandoval-Ortega, Manuel Higinio, Sánchez-Escalante, José Jesús   +1 more
openaire   +3 more sources

Convergent evolution of betalains in Caryophyllales

, 2023
In this thesis, I investigate the evolution of betalains in Caryophyllales. Betalains are a group of red and yellow pigments, which in plants occur only in the order Caryophyllales. Here, betalains replace the otherwise ubiquitous anthocyanin pigments, and the two pigment types appear mutually exclusive.
openaire   +2 more sources

Androecial evolution in Caryophyllales in light of a paraphyletic Molluginaceae

American Journal of Botany, 2013
• Premise of the study: Caryophyllales are highly diverse in the structure of the perianth and androecium and show a mode of floral development unique in eudicots, reflecting the continuous interplay of gynoecium and perianth and their influence on position, number, and identity of the androecial whorls. The floral development of five species from four
Samuel F Brockington, Patricia Dos Santos, Beverley J Glover   +2 more
exaly   +3 more sources

Flavonols and C-Glycosylflavonoids of the caryophyllales

Biochemical Systematics and Ecology, 1978
Abstract A survey of 112 species of the Caryophyllales showed the presence of flavonols in all eleven families and of C -glycosylflavonoids in nine families, being absent from the Aizoaceae and Cactaceae. 18% of the species contained both classes of compound.
exaly   +2 more sources

Sterols of caryophyllales with emphasis on amaranthaceae

Phytochemistry, 1991
Abstract Thirty species of Amaranthaceae representing 14 genera, were examined for sterol composition. The major sterols were spinasterol, 7-stigmastenol, sitosterol and stigmasterol. Although previous work with 2 genera and 11 species of Amaranthaceae revealed only species with dominant Δ 7 -sterols, the present work shows 19 species with dominant Δ
Thomas A Salt
exaly   +2 more sources

Pigment Evolution in the Caryophyllales: a Systematic Overview*

Botanica Acta, 1996
Abstract:While the apparent mutual exclusiveness of anthocyanins and betalains in the Caryophyllales has given rise to considerable taxonomic debate, historical factors affecting the present distribution of these compounds have rarely been discussed.
T J Mabry
exaly   +2 more sources

Evolution of l‐DOPA 4,5‐dioxygenase activity allows for recurrent specialisation to betalain pigmentation in Caryophyllales [PDF]

New Phytologist, 2020
The evolution of l-DOPA 4,5-dioxygenase activity, encoded by the gene DODA, was a key step in the origin of betalain biosynthesis in Caryophyllales. We previously proposed that l-DOPA 4,5-dioxygenase activity evolved via a single Caryophyllales-specific ...
Hester Sheehan, Tao Feng, Nathanael Walker-Hale   +2 more
exaly   +5 more sources

Widespread paleopolyploidy, gene tree conflict, and recalcitrant relationships among the carnivorous Caryophyllales

American Journal of Botany, 2017
The carnivorous members of the large, hyperdiverse Caryophyllales (e.g. Venus flytrap, sundews and Nepenthes pitcher plants) represent perhaps the oldest and most diverse lineage of carnivorous plants.
Joseph F Walker
exaly   +2 more sources