Pinus: The document provides details about

The document provides details about the structure and features of pine trees ( Pinus ). Key points include: - Pine trees are coniferous evergreen trees that are important forest makers. They have a taproot system and produce dimorphic branches and leaves. - The internal structure of pine needles, roots, and stems show adaptations for photosynthesis, conduction, storage, and protection. Pine needles have epidermis, mesophyll and stele tissues. Roots and stems develop secondary tissues over time ... Sporophyte of the Pinus Pinus plants are tall trees with excurrent branching that is characterised by fascicles of thin, needle-like, evergreen foliage leaves. The primary stem is thick, cylindrical, bearing several widely spaced branches, and has a scaly bark covering it. There is a fairly large terminal bud at the tip of the stem. Learn about the structure and anatomy of Pinus , a large, evergreen plant with needle-like leaves and cones. See diagrams and descriptions of roots, stems, leaves, wood and reproductive structures of Pinus . Pine refers to any coniferous tree or shrub belonging to the genus Pinus categorized under the family Pinaceae. Pines are found throughout the world, mainly in the northern temperate regions. Although two pine species may look precisely similar, counting the number of needles in each bundle can help identify them. They have comparatively soft timber, but they are commercially sold as soft (pinyon, sugar, and white) or hard (loblolly, Corsican, and Scotch) pines.