Conifer - Wikipedia
Conifers are the largest and economically most important component group of gymnosperms, but nevertheless they comprise only one of the four groups. The division Pinophyta consists of just one class, Pinopsida, which includes both living and fossil taxa. Subdivision of the living conifers into two or more orders has been proposed from time to time.
Pinopsida — Wikipédia
La classe des Pinopsida est une classe de la division des Pinophyta (Conifères). Elle compte 600-650 espèces. Celles-ci sont caractérisées par des feuilles généralement petites et toujours simples et par une croissance secondaire active de la tige et de la racine.
Conifer | Definition, Characteristics, Examples, Types, Classification ...
Conifer, any member of the division Pinophyta, class Pinopsida, order Pinales, made up of living and fossil gymnospermous plants that usually have needle-shaped evergreen leaves and seeds attached to the scales of a woody bracted cone.
Pinales - Wikipedia
The order Pinales in the division Pinophyta, class Pinopsida, comprises all the extant conifers. The distinguishing characteristic is the reproductive structure known as a cone produced by all Pinales.
Pinopsida (classe) : les coniféropsides - AquaPortail
2016年8月1日 · Les conifères (classe Pinopsida) sont un groupe diversifié de Gymnospermes à feuilles persistantes linéaires ou squameuses qui portent des graines dans des cônes. La plupart des conifères sont de grands arbres, mais quelques-uns sont des arbustes.
Pinophyta — Wikipédia
Synonymes Coniferophyta L' embranchement des Pinophytes (ou Conifères), anciennement connu sous le nom de Coniférophytes (ou Coniferophyta), ne comprend qu'une classe: celle des Pinopsida . Ce sont des plantes vasculaires à graines portées par une structure en forme de cône (« conifères » veut dire « qui porte des cônes ») ayant …
Pinopsida (Conifers) - The Biology Primer
Conifers (Class Pinopsida) are a diverse group of gymnosperms with linear or scaly evergreen leaves that bear seeds within cones. Most conifers are large trees, but a few are shrubs. The world’s tallest tree is a conifer known as coastal redwood (Sequoia sempervirens), and it …
Pinophyta | Encyclopedia MDPI
2022年10月21日 · The Pinophyta, also known as Coniferophyta or Coniferae, or commonly as conifers, are a division of vascular land plants containing a single extant class, Pinopsida. They are gymnosperms, cone-bearing seed plants.
Conifer - New World Encyclopedia
The division Pinophyta consists of just one class, Pinopsida. This includes four orders, three of which (Cordaitales, Vojnovskyales, Voltziales) are long extinct and known only through fossils. All living conifers are members of the order Pinales, which …
Pinophyta: Class Pinopsida - Infoplease
The class Pinopsida is characterized by generally small, always simple leaves and by the active secondary growth of stem and root. Many members of this group flourished from Lower Carboniferous times to the Permian age.