Leaves of most plants include a flat structure called the blade or lamina supported by a network of veins, a petiole and a leaf base; [1] but not all leaves are flat, some are cylindrical. [ citation …

2021年5月21日 · Lobed leaves have distinct rounded or pointed projections, while unlobed leaves do not. Some lobed leaves are pinnate, meaning the lobes are located along a central axis, …

Leaf Venation, Lobing, Shape, & Margins • Leaf lobing –Pinnately lobed - with the lobes arising along the length of the mid-line of the leaf. »Palmately lobed - with the lobes all arising from …

In a simple leaf, the blade is either completely undivided (Figures \(\PageIndex{8, 12, 13}\))—or it has lobes, but the separation does not reach the midrib, as in the maple leaf. In a compound …

Leaf Blade – Flattened part of the leaf. Petiole – Leaf stalk. Stipules – Appendages at the base of the leaf, which may be leaf-like, spines, or reduced/absent.

2024年2月14日 · The most easily identifiable type of tree leaf is the lobed variety. These leaf blades are made up of earlobe-like shapes, but they form a single leaf. The clefts or …

2022年4月19日 · Lobed blades have rounded incisions that are not deeper than halfway between the edge and center of the leaf. Deeply lobed has incisions that are almost to the center of the …

Compound: The leaf is separated into distinct leaflets, each with its own small petiole (but without an axillary bud). Simple: The leaf may be lobed or divided, but does not form distinct leaflets. …

2013年11月1日 · Lobed leaf margins. There are lobed margins, where the blade of the leaf is divided into protrusions. These can be spiky or rounded (so think of a dandelion and an oak leaf).

2024年11月23日 · In a simple leaf, the blade is completely undivided; leaves may also be formed of lobes where the gaps between lobes do not reach to the main vein. In a compound leaf, the …