Results 231 to 240 of about 253,833 (341)

Phylogeny and divergence times of the African and Malagasy Podocarpus (Podocarpaceae) and their taxonomic and biogeographic implications

open access: yesTAXON, EarlyView.
Abstract Podocarpus is the most speciose genus of the podocarp family (Podocarpaceae) widely distributed in the mountain forests of subtropical and tropical Asia, the Neotropics and Australasia, where its members have been shown to have had multiple origins.
Sylvain G. Razafimandimbison   +5 more
wiley   +1 more source

Isolation of a fraction enriched in envelope membranes from purified pea etioplasts [PDF]

open access: yes, 1986
Akoyunoglou, George   +5 more
core  

Dismantling the genus Tarenna (Rubiaceae: Pavetteae) in Africa and Madagascar, with the description of three new genera

open access: yesTAXON, EarlyView.
Abstract As presently circumscribed, the Paleotropical genus Tarenna, belonging to the tribe Pavetteae (Rubiaceae), comprises about 200 species and has its centres of diversity in tropical Asia and Africa. Previous molecular phylogenetic studies of the tribe revealed the polyphyly of Tarenna, suggesting that the genus needs to be recircumscribed ...
Petra De Block   +3 more
wiley   +1 more source

Molecular phylogeny, genome sizes and chromosome numbers in melic grasses and its relatives (Pooideae, Poaceae) with a revised classification of the genus Melica

open access: yesTAXON, EarlyView.
Abstract The genus Melica comprises around 90 species, which are widespread throughout the temperate and subtropical regions of the world. In contrast to numerous species complexes in the grass subfamily Pooideae, the genus Melica forms a very homogeneous group of mainly diploid species with a uniform basic chromosome number of x = 9.
Grit Winterfeld   +4 more
wiley   +1 more source

Pitardia resurrected: A new member of subtribe Menthinae (Lamiaceae)

open access: yesTAXON, EarlyView.
Abstract Despite tremendous progress towards clarifying phylogenetic relationships within the mint family (Lamiaceae), uncertainty remains regarding relationships among some major clades as well as the proper placement of some genera. While researching the genus Nepeta, a species from northeastern Morocco, N.
Abdelmonaim Homrani Bakali   +3 more
wiley   +1 more source

Editorial: Structure and Function of Chloroplasts

open access: yesFrontiers in Plant Science, 2018
Rebecca L. Roston   +3 more
doaj   +1 more source

Characteristics and Phylogenetic Analysis of the Complete Chloroplast Genome of <i>Hibiscus sabdariffa</i> L. [PDF]

open access: yesInt J Mol Sci
Dong J   +10 more
europepmc   +1 more source

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