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- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_1e_(OpenStax)/6%3A_Plant_Structure_and_Function/30%3A_Plant_Form_and_Physiology/30.2%3A_StemsPlant stems, whether above or below ground, are characterized by the presence of nodes and internodes. Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two...Plant stems, whether above or below ground, are characterized by the presence of nodes and internodes. Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode. The stalk that extends from the stem to the base of the leaf is the petiole. An axillary bud is usually found in the axil—the area between the base of a leaf and the stem—where it can give rise to a branch or a flower.
- https://bio.libretexts.org/Courses/Norco_College/OpenStax_Biology_2e_for_Norco_College/07%3A_Plant_Form_and_Physiology/7.03%3A_StemsPlant stems, whether above or below ground, are characterized by the presence of nodes and internodes. Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two...Plant stems, whether above or below ground, are characterized by the presence of nodes and internodes. Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode. The stalk that extends from the stem to the base of the leaf is the petiole. An axillary bud is usually found in the axil—the area between the base of a leaf and the stem—where it can give rise to a branch or a flower.
- https://bio.libretexts.org/Workbench/South_Texas_College_-_Biology_for_Non-Majors/19%3A_Plant_Form_and_Physiology/19.03%3A_StemsPlant stems, whether above or below ground, are characterized by the presence of nodes and internodes. Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two...Plant stems, whether above or below ground, are characterized by the presence of nodes and internodes. Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode. The stalk that extends from the stem to the base of the leaf is the petiole. An axillary bud is usually found in the axil—the area between the base of a leaf and the stem—where it can give rise to a branch or a flower.
- https://bio.libretexts.org/Bookshelves/Botany/Botany_Lab_Manual_(Morrow)/04%3A_Plant_Cell_Types_and_Tissues/4.03%3A_Identifying_Cell_Types_and_TissuesNote the pits in the walls of both of these cells and the large holes (perforation plates) on the ends of the vessel element only. Draw a cross section of the celery petiole, labeling parenchyma in th...Note the pits in the walls of both of these cells and the large holes (perforation plates) on the ends of the vessel element only. Draw a cross section of the celery petiole, labeling parenchyma in the epidermis, collenchyma in the cortex, and sclerenchyma in the vascular tissue. For example, the epidermis is a collection of parenchyma-like cells working together to separate the internal environment of the plant from the exterior.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_2e_(OpenStax)/06%3A_Unit_VI-_Plant_Structure_and_Function/6.01%3A_Plant_Form_and_Physiology/6.1.03%3A_StemsPlant stems, whether above or below ground, are characterized by the presence of nodes and internodes. Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two...Plant stems, whether above or below ground, are characterized by the presence of nodes and internodes. Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode. The stalk that extends from the stem to the base of the leaf is the petiole. An axillary bud is usually found in the axil—the area between the base of a leaf and the stem—where it can give rise to a branch or a flower.
