EVERYDAY SCIENCE

Detailed explanation-1: -The correct option is C Sessile. Petiole connects the lamina or the leaf blade with the stem. It is small and green structure, the upper portion of which continues in the lamina forming midrib while lower portion forms the leaf base. Leaves lacking petiole are called sessile.

Detailed explanation-2: -When the leaf blade is attached directly to the stem, that is, when there is no petiole, like here, the leaf is then called sessile. A petiolate leaf is attached to the stem by a petiole.

Detailed explanation-3: -petiolate-a leaf attached to the stem by a petiole. sessile-a leaf whose blade is attached directly to the stem, lacking a petiole.

Detailed explanation-4: -In botany, sessility (meaning “sitting", used in the sense of “resting on the surface") is a characteristic of plant parts (such as flowers and leaves) that have no stalk. Plant parts can also be described as subsessile, that is, not completely sessile.

Detailed explanation-5: -The petiole is a stalk that attaches a leaf to the plant stem. In petiolate leaves the leaf stalk may be long (as in the leaves of celery and rhubarb), or short (for example basil). When completely absent, the blade attaches directly to the stem and is said to be sessile.