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- https://bio.libretexts.org/Courses/Norco_College/BIO_5%3A_General_Botany_(Friedrich_Finnern)/12%3A_Transport/12.05%3A_Stomatal_Opening_and_ClosureStomata are pores in the epidermis of the plant, mostly found in leaves. Blue light triggers stomatal opening, and water stress triggers stomata closure. Whether a stoma is open or closed is determine...Stomata are pores in the epidermis of the plant, mostly found in leaves. Blue light triggers stomatal opening, and water stress triggers stomata closure. Whether a stoma is open or closed is determined by the turgor pressure of the two guard cells that surround it.
- 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/Coalinga_College/Introduction_to_Plant_Science_(Hochman_Adler)/05%3A_The_Plant_Cell/5.05%3A_Atlas-_Cells_and_Tissues/5.5.02%3A_Types_of_Plant_Cells/5.5.2.02%3A_Specialized_CellsWithin plant tissues, there are often cells that have specialized for a particular function.
- 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/Bookshelves/Introductory_and_General_Biology/Map%3A_Raven_Biology_12th_Edition/36%3A_Transport_in_Plants/36.04%3A_Rate_of_Transpiration/36.4.01%3A_Stomatal_Opening_and_ClosingStomata are pores in the epidermis of the plant, mostly found in leaves. Blue light triggers stomatal opening, and water stress triggers stomata closure. Whether a stoma is open or closed is determine...Stomata are pores in the epidermis of the plant, mostly found in leaves. Blue light triggers stomatal opening, and water stress triggers stomata closure. Whether a stoma is open or closed is determined by the turgor pressure of the two guard cells that surround it.
- https://bio.libretexts.org/Bookshelves/Botany/A_Photographic_Atlas_for_Botany_(Morrow)/10%3A_Cells_and_Tissues/10.02%3A_Types_of_Plant_Cells/10.2.02%3A_Specialized_CellsWithin plant tissues, there are often cells that have specialized for a particular function.
- https://bio.libretexts.org/Bookshelves/Botany/Botany_(Ha_Morrow_and_Algiers)/04%3A_Plant_Physiology_and_Regulation/4.05%3A_Transport/4.5.01%3A_Water_Transport/4.5.1.02%3A_Transpiration/4.5.1.2.02%3A_Stomatal_Opening_and_ClosureStomata are pores in the epidermis of the plant, mostly found in leaves. Blue light triggers stomatal opening, and water stress triggers stomata closure. Whether a stoma is open or closed is determine...Stomata are pores in the epidermis of the plant, mostly found in leaves. Blue light triggers stomatal opening, and water stress triggers stomata closure. Whether a stoma is open or closed is determined by the turgor pressure of the two guard cells that surround it.
- 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/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.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/16%3A_The_Anatomy_and_Physiology_of_Plants/16.02%3A_Plant_Physiology/16.2D%3A_Gas_Exchange_in_PlantsThis page discusses how green plants perform gas exchange without specialized organs. Gas exchange occurs throughout the plant due to low respiration rates and short diffusion distances. Stomata, cont...This page discusses how green plants perform gas exchange without specialized organs. Gas exchange occurs throughout the plant due to low respiration rates and short diffusion distances. Stomata, controlled by guard cells, regulate this process, with potassium uptake opening and abscisic acid closing them in response to water scarcity. Stomatal density adapts to environmental conditions, affecting CO2 levels, while roots and woody stems use lenticels for gas exchange in impermeable structures.
- https://bio.libretexts.org/Courses/University_of_California_Davis/PLS_002%3A_Botany_and_physiology_of_cultivated_plants/11%3A_Plant_water_relations/11.02%3A_Transpiration/11.2.02%3A_Stomatal_Opening_and_ClosureStomata are pores in the epidermis of the plant, mostly found in leaves. Blue light triggers stomatal opening, and water stress triggers stomata closure. Whether a stoma is open or closed is determine...Stomata are pores in the epidermis of the plant, mostly found in leaves. Blue light triggers stomatal opening, and water stress triggers stomata closure. Whether a stoma is open or closed is determined by the turgor pressure of the two guard cells that surround it.
