Results 151 to 160 of about 2,556 (190)

L'ensenyament al Poal (1830-1940)

open access: yesMascançà: revista d'estudis del Pla d'Urgell, 2019
openaire   +1 more source

Genomes of Poaceae sisters reveal key metabolic innovations preceding the evolution of grasses

open access: yes
Takeda-Kimura Y   +19 more
europepmc   +1 more source

Pollination biology of Syngonanthus elegans (Eriocaulaceae - Poales)

open access: yesAustralian Journal of Botany, 2009
Studies on the pollination biology of Eriocaulaceae are scarce although particularly interesting because of its inclusion in the Poales, a predominantly wind-pollinated order. The pollination biology of Syngonanthus elegans (Bong.) Ruhland was studied during two annual flowering periods to test the hypothesis that insect pollination was its primary ...
Oriani, Aline   +2 more
openaire   +3 more sources

Contribution to the embryology of Leiothrix fluitans (Eriocaulaceae: Poales)

open access: yesAquatic Botany, 2007
Abstract This paper presents a contribution to the understanding of the embryology, especially microsporogenesis, the antipodal cell behavior, and the early stages of the micropylar seed operculum, in Leiothrix fluitans, to elucidate these aspects both within the subgenus Rheocaulon and within the genus in Eriocaulaceae.
Coan, Alessandra Ike   +2 more
openaire   +3 more sources

Implications of the Plastid Genome Sequence of Typha (Typhaceae, Poales) for Understanding Genome Evolution in Poaceae

open access: yesJournal of Molecular Evolution, 2010
Plastid genomes of the grasses (Poaceae) are unusual in their organization and rates of sequence evolution. There has been a recent surge in the availability of grass plastid genome sequences, but a comprehensive comparative analysis of genome evolution ...
Jennifer V Kuehl   +2 more
exaly   +3 more sources

Morphology and development of the gynoecium in Centrolepidaceae: The most remarkable range of variation in Poales [PDF]

open access: yesAmerican Journal of Botany, 2009
This paper explores the relative impacts of reduction and polymerization on the evolution of reproductive structures in the small but morphologically diverse family Centrolepidaceae.
Dmitry D Sokoloff   +2 more
exaly   +2 more sources
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Evolutionary History of Poales

Annual Review of Ecology, Evolution, and Systematics, 2005
▪ Abstract  The predominantly wind-pollinated order Poales includes about one third of all monocot (Angiosperm) species, with c. 20,000 species dominating modern savanna and steppe vegetation. Recent improvements in understanding relationships within the order allow phylogenetic optimizations of habitat preferences and adaptive character states ...
Linder, H. Peter, Rudall, Paula J.
openaire   +2 more sources

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