Vittorio de Sica

The class of the Pinopsida is a class of coniferous which counts 600-650 species. They are characterized by generally small and always simple sheets and by an active secondary growth of the stem and root.

Many members of this group opened out periods Carbonifère S lower than the age Permien.

Conifers are most numerous of the alive Gymnosperme S and form large and relatively pure forests. The common examples of conifers are the pine S, the Sapin S, the Séquoia S, the Cèdre S, the Genévrier S, the Cyprès, and the Mélèze S. the wood of conifers is employed intensively for construction. The majority of conifers are Monoïque S, i.e. the male and female cones are produced on the same tree.

Pinopsida include/understand the following orders:

the Cordaitales † known as Cordaites (in English)
the Pinales
the Taxales
the Vojnovskyales †
the Voltziales † including/understanding for example the kind Walchia

†: extinguished

References

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