Leaf Base. The part of the leaf attached to the stem or branch is known as the leaf base. The leaf base protects the axillary bud. In monocotyledons, the leaf base usually expands into a sheath that partially or wholly encloses the stem called a sheathing leaf base.4 days ago
What is leaf base?
The leaf base is the slightly expanded area where the leaf attaches to the stem. … petiole, when present, and the leaf base become thickened, and often the latter expands laterally and fully or partially encloses the stem.
What are the functions of the parts of a leaf?
Structure-Function Relationship: Leaves
| Name of Structure | Structure | Function |
|---|---|---|
| Pith | Parenchyma with vacuoles and plastids | Storage, support |
| Plasmodesmata | Openings between sieve tubes connecting cytoplasm | Transport of sap |
| Spongy cells | Rounded, widely spaced, near stomata | Allow gas exchange |
| Suberin | Waxy molecule | Waterproofing |
•Dec 11, 2015
What is the base of the leaf called?
The base of a leaf is the lower part of the lamina, where it is attached to the petiole or stem. Cuneate bases are sharp-pointed, with an angle less than 45 degrees between opposite sides which form a wedge or triangular shape that tapers to a narrow region at the point of attachment of lamina with petiole.
What is the base of a plant?
In biology, 'base' means the part of a plant or animal organ that is near the point of attachment to the ground or to a more basal part of the body. … In all standard text books on plant anatomy, including Plant Anatomy, the tips of shoots and roots are referred to as apices (Figure 1) [1].
What are the types of leaf base?
Some common types of leaf bases found in angiosperms are given below.
- Pulvinus: ADVERTISEMENTS: …
- Sheathing Leaf Base: …
- Decurrent Leaf Base: …
- Free Lateral Stipules (Fig. …
- Scaly stipules: …
- Adnate Stipules: …
- Interpetiolar Stipules: …
- Intrapetiolar Stipides:
What is swollen leaf base called?
pulvinus – A swollen leaf base is called pulvinus. Swelling of leaves is a phenomenon that is observed in members of the family Fabaceae. Swelling occurs as a result of change in turgor pressure and it is observed mostly during the night time. It in a way protects the axillary bud.
What are the 3 main functions of a leaf?
What are the 3 functions of leaves? Photosynthesis. Transpiration. Guttation.