A vascular plant that bears naked seeds not enclosed in any specialized chambers. At the side of. Consisting of the vascular cambium and the cork cambium, it produces the secondary tissues which make up the secondary plant body. A small pore found on the surface of stems and roots in higher plants through which gas exchange can take place. A region of a plant in which active cell division occurs, the cells of the meristem being undifferentiated into a specialized form.
Meristematic tissues occur at the root and shoot tips giving growth in length.
The ground tissue of a leaf, sandwiched between the upper and lower epidermis and specialized for photosynthesis. A subdivision of flowering plants whose members possess one embryonic seed leaf, or cotyledon. A point along the stem of a plant at which leaves are attached. A relatively unspecialized plant cell type that carries on most of the metabolism synthesizes and stores organic products, and develops into more differentiated cell types. The core of a dicotyledon stem, containing parenchyma cells that have a storage function.