What is the blade of a leaf called?

lamina
leaf structure

…a broad expanded blade (the lamina), attached to the plant stem by a stalklike petiole. In angiosperms leaves commonly have a pair of structures known as stipules, which are located on each side of the leaf base and may resemble scales, spines, glands, or leaflike structures.

Do compound leaves have blades?

In a compound leaf, the leaf blade is completely divided, forming leaflets, as in the locust tree. Compound leaves are a characteristic of some families of higher plants. Each leaflet is attached to the rachis (middle vein), but may have its own stalk.

What are the parts of a compound leaf?

Botany 115 Terminology
  • Simple Leaf: One Blade.
  • Compound Leaf: Blade Divided Into Leaflets.
  • Leaf Arrangement (Phyllotaxy) Three different leaf arrangements: Alternate (one leaf per node), opposite (two leaves per node) and whorled (three or more leaves per node). …
  • Leaf Venation. Leaf venation in two species of Ceanothus.

What is the edge of a leaf blade called?

There is almost always a bud (tiny growing point) found in the angle between the petiole and the stem (leaf axil). A simple leaf (Figure 3) consists of one blade and (usually) a petiole that connects the blade to the stem. The edge of the leaf blade is called the leaf blade margin.

What are the two types of leaf blade?

Undulate blades form a wavy line on their edge that bends slightly inward and outward in succession. Sinuate blades are wavy. Incised blades are sharp, deep irregular teeth. Lobed blades have rounded incisions that are not deeper than halfway between the edge and center of the leaf.

What trees have Palmately compound leaves?

Here is a quick guide to identifying some common trees with palmate leaves:
  • Maple (Acer sp.)
  • Sweetgum (Liquidambar styraciflua)
  • Sycamore (Platanus occidentalis)
  • Tulip tree (Liriodendron tulipifera)

What is the Pinnately compound leaf?

A leaf which is divided into smaller leaflets, those leaflets arranged on each side of the leaf’s central stalk/rachis (axis). A bipinnately compound leaf is twice pinnate; a leaf blade divided into leaflets and having twice-diverged branching. …

What is the blade and petiole of a leaf?

The blade is usually the largest part of the leaf. The petiole is a stalk that supports the leaf blade. Take up nutrients and water.

Where is edge on a leaf?

In short, leaf edges are just the side of the leaf. If you have looked closely at different leaves you may have noticed that the edges, sides, or margins of leaves are not all the same.

What is palmate compound leaf?

Palmately compound leaves are the arrangement of leaves in which each leaflet of the blade being separated along a main or secondary vein and the leaflets radiating from the end of the petiole, like fingers of the palm of a hand e.g., Bambax.

What is Stipules in leaf?

In botany, a stipule is an outgrowth typically borne on both sides (sometimes on just one side) of the base of a leafstalk (the petiole). … (In some older botanical writing, the term “stipule” was used more generally to refer to any small leaves or leaf-parts, notably prophylls.)

What is a palmate leaf?

Palmate leaves, which can be referred to as fan palms, have adjacent leaflets or leaf segments that are joined laterally for some or most of their length. They originate from a single point at the tip of the petiole, which often includes a specialized protuberance called the hastula.

What is the midrib of a compound leaf called?

In pinnately compound leaf, the midrib forms a common axis called rachis.

What is an example of Bipinnately compound leaf?

The most common North American tree species with bipinnate leaves is a honey locust, though Bailey Acacias, silk trees, flamegolds, chinaberries, and Jerusalem thorns are also examples of trees with bipinnate leaves.

Is Rose a compound leaf?

In Rose, the leaf blade is divided into several leaflets that are attached to the common stalk. So, Rose has compound leaves.

What is midrib in leaf?

Definition of midrib

: the central vein of a leaf.

What is Digitate and trifoliate?

As adjectives the difference between trifoliate and digitate

is that trifoliate is (chiefly|botany) having]] or [[comprise|comprising three leaves, leaflets, or (loosely) such similar structures, as the clover plant while digitate is having digits, fingers or things shaped like fingers; fingerlike.

When the leaf blade is incised upto the midrib or petiole so that the leaf is broken up into a number of segments?

2 Types of Leaves A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the midrib. When the incisions of the lamina reach up to the midrib breaking it into a number of leaflets, the leaf is called compound.

What are veins and midrib?

As nouns the difference between vein and midrib

is that vein is (anatomy) a blood vessel that transports blood from the capillaries back to the heart while midrib is (botany) the strengthened vein down the middle of a flower petal or leaf.

What’s another word for midrib?

Midrib synonyms

In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for midrib, like: venation, midvein, axil, calyx, inflorescence, sepal, and pinnate.

Where will you locate midrib in a leaf?

leaf structure

…to form the midvein, or midrib. The smaller lateral veins of the leaf are initiated near the leaf tip; subsequent major lateral veins are initiated sequentially toward the base, following the overall pattern of leaf development.

Where is the blade on a leaf?

PARTS OF A LEAF

The main light-collecting structure on a leaf is a large, broad, flat surface called the leaf blade. The blade has many layers that not only help the plant move but also help it store materials and byproducts of photosynthesis. The blade is held away from the stem and sup- ported by the petiole.