Results 71 to 80 of about 452 (125)

Wood Anatomy of Ascarina (Chloranthaceae) and the Tracheid-vessel Element Transition [PDF]

open access: yes, 1990
Quantitative and qualitative features are presented for 13 collections of 8 species of Ascarina. Wood anatomy is maximally primitive in most respects; moderate exception occurs in the imperforate tracheary elements, which range from tracheidlike (A ...
Carlquist, Sherwin
core   +2 more sources

Ecology, forms and functions of the basal angiosperms from New Caledonia [PDF]

open access: yes, 2016
One of the remarkable characteristics of the New Caledonian flora is the presence of numerous angiosperm lineages recognized as the earliest divergences of the flowering plants, due to their phylogenetic positions. Within these lineages, some species are
Trueba Sanchez, Santiago
core  

KEANEKARAGAMAN TUMBUHAN BERBUNGA DI KAWASAN MALESIA [PDF]

open access: yes, 2020
Tumbuhan berbunga merupakan tumbuhan yang memiliki ciri khas berupa bunga (sering juga disebut sebagai Angiospermae/Magnoliophyta). Tumbuhan berbunga merupakan kelompok tumbuhan yang sukses menyebar luas di dunia, diperkirakan mencapai 250.000 jenis ...
Amrul, Hanifah Mutia Z. N.   +2 more
core  

Wood Anatomy of Hedyosmum (Chloranthaceae) and the Tracheid-vessel Element Transition [PDF]

open access: yes, 1992
Qualitative and quantitative data are presented for 22 collections of 14 species of Hedyosmum. Wood of the genus is primitive in its notably long scalariform perforation plates; scalariform lateral wall pitting of vessel elements; and the low ratio of ...
Carlquist, Sherwin
core   +3 more sources

Using Phylogenomic Data to Untangle the Patterns and Timescale of Flowering Plant Evolution [PDF]

open access: yes, 2017
Angiosperms are one of the most dominant groups on Earth, and have fundamentally changed global ecosystem patterns and function. Therefore, unravelling their evolutionary history is key to understanding how the world around us was formed, and how it ...
Foster, Charles Stuart Piper
core  

Die Terminologie der perennierenden Pflanzen (deutsch-polnisch) unter besonderer Berücksichtigung der botanischen Systematik [PDF]

open access: yes, 2009
Die vorliegende Arbeit behandelt die Terminologie der botanischen Systematik der Bedecktsamer in den Sprachen Deutsch und Polnisch. Der theoretische Teil liefert einen kurzen Überblick über die historische Entwicklung der klassischen Systematik und ...
Zakrzewski, Janina
core  

A Rosid Is a Rosid Is a Rosid . . . or Not [PDF]

open access: yes, 2013
The current structure of 583 Magnoliopsida (Dicotyledons) and 584 Liliopsida (Monocotyledons) in the Dewey Decimal Classification (DDC) system reflects changes made when the life sciences were thoroughly revised in 1996.
Green, Rebecca, Martin, Giles
core   +1 more source

Evolution et Developpement des grains de pollen chez les angiospermes [PDF]

open access: yes, 2015
Multicellular organisms are morphologically very diverse at every scale, regarding size, color, and shape of individuals and of their different parts. Natural selection and developmental constraints influence evolution of these characteristics, on the ...
Prieu, Charlotte
core   +2 more sources

Home - About - Disclaimer - Privacy