What are Petiolate leaves?
A petiolate plant is one that has leafstalks or petioles that attach the leaves to the stem. This is in contrast to sessile plants lacking petioles; hence, their leaves are attached directly to the stem. Compare: sessile plant.
What is meant by sessile leaf?
sessile. / (ˈsɛsaɪl) / adjective. (of flowers or leaves) having no stalk; growing directly from the stem.
What are Petiolate and sessile leaves?
petiolate – a leaf attached to the stem by a petiole. sessile – a leaf whose blade is attached directly to the stem, lacking a petiole.
What is Petiolate leaves answer in short?
Answer: In petiolate leaves, the leaf stalk (petiole) may be long, as in the leaves of celery and rhubarb, short or completely absent, in which case the blade attaches directly to the stem and is said to be sessile. …
What is the example of sessile leaf?
A leaf lacking a petiole is attached directly to the stem . An example of a sessile plant is a grass plant.
What is the function of the petiole leaf?
A petiole attaches the leaf to the stem and contains vascular tissue that provides a connection from the stem to permit sap to enter the leaf and the products of photosynthesis (carbohydrates) to be transported from the leaf to the rest of the plant. The leaf…
What is the meaning of the word petiole?
Petiole Definition. The petiole is the stalk that supports a leaf in a plant and attaches it to the stem. Many people often call it a stem, which is incorrect.
Is there such a thing as a petiolate leaf?
Pseudosessile: those petiolate Hymenoptera, in which the abdomen is so close to the thorax as to seem sessile. No such thing as a petiolate leaf occurs in acrogens, all are attached by a broad base? Leaves or leaflets are sessile when they have no stems, and petiolate when they have stems.
What is the function of the petiole on a tree?
Lesson Summary. The petiole is the region of a leaf that connects the leaf blade to the stem. The petiole is a critical structure that maintains the chemical and nutrients in a plant and plays a key role when deciduous trees lose their leaves in the fall. This chemical change occurs in the separation zone.
Is the petiole the same as the stem?
Many people often call it a stem, which is incorrect. A stem is the part of the plant that serves as the main source of support and produces nodes and roots, and that’s not what we observe in petioles. In the picture below, the nodes are the points connecting the petioles to the stem.