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At the base of the petiole, in many plants, a pair of lateral appendages known as Stipules are present. Leaves with stipules are called stipulate (e.g., Hibiscus) and the leaves without stipules are called exstipulate (e.g., Mango and all monocots).
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8 paź 2024 · Quiz yourself with questions and answers for Botany test #2 Chapters 6-10, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.
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.
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17 gru 2021 · Each leaf typically has a leaf blade ( lamina ), stipules, a midrib, and a margin. Some leaves have a petiole, which attaches the leaf to the stem; leaves that do not have petioles are directly attached to the plant stem and are called sessile leaves.
Some leaves are attached to the plant stem by a stalklike petiole and are called petiolate leaves (Figure \(\PageIndex{2}\)). Although petioles are narrow and often resemble stems, they are considered part of the leaf.
