What is an Obovate leaf?
Leaf Apex is a protruding part of a leaf. There are no definite function of leaf apex but in some plants it is modified to deliver a task and that is as spines in some xerophytes so that they can stand against herbivores. One may also ask, what is the lamina of a leaf?
What does acute apex mean?
Definition. Sharp; usually referring to the apex of a flattened structure (such as a leaf) in which the two sides are straight and, when they meet, form an angle that is always less than 90°
What trees have lanceolate leaves?
Willows have long and slender "lanceolate" leaves. Water oak leaves are "spatulate", with slender bases and very broad tips. Redbud leaves are heart-shaped or "cordate".
What is the apex of a plant?
In botany, apex refers to the highest point or vertex of a plant stem or root. The shoot apex is where fresh stems, leaves, and other parts of a plant grow after the old parts fall off or dry up. In some cases, such as monocot stems, the shoot apex tends to be more elongated.
What is leaf apex answer?
Answer: The outer end or apex of a leaf lamina that is opposite the petiole. Leaves apexes vary greatly from plant to plant and are useful in classification and identification.May 8, 2020
What is obtuse leaf apex?
Obtuse Leaf Apex. A leaf apex whose sides form an angle greater than 90º, but not quite as smooth or wide as a rounded leaf apex. Cotinus obovatus has leaves that vary in shape but most have an obtuse to rounded apex.
What is Aristate leaf apex?
Aristate, awn-pointed, and bristle-pointed, are terms used when this mucronate point is extended into a longer bristle-form or other slender appendage. The first six of these terns can be applied to the lower as well as to the upper end of a leaf or otherother organ. The others belong to the apex.
Where is the apex located on a leaf?
The apex is the tip of the leaf blade. Acuminate apices have a long, slender, sharp point, with a terminal angle less than 45 degrees, and straight to convex sides. Acute apices have a sharp-pointed tip, with a terminal angle between 45 and 90 degrees, and straight to convex sides.
What is the main function of leaf?
The main function of a leaf is to produce food for the plant by photosynthesis. Chlorophyll, the substance that gives plants their characteristic green colour, absorbs light energy.
What is the main vein of a leaf known as?
A leaf is often organized with one main vein running down the middle of the blade. This vein is called the midrib.
What is the base of a leaf?
The leaf base is the slightly expanded area where the leaf attaches to the stem. ... petiole, when present, and the leaf base become thickened, and often the latter expands laterally and fully or partially encloses the stem.
What is Lanceolate leaf?
Definitions of lanceolate leaf. a leaf shaped like a lance head; tapering to a point at each end. type of: simple leaf. a leaf that is not divided into parts.
What is an Acuminate leaf?
Definitions of acuminate leaf. a leaf narrowing to a slender point. type of: simple leaf. a leaf that is not divided into parts.
What is the apex of a leaf called?What is the apex of a leaf called?
Click to see full answer. Besides, what is the apex of a leaf? Leaf Apex is a protruding part of a leaf. There are no definite function of leaf apex but in some plants it is modified to deliver a task and that is as spines in some xerophytes so that they can stand against herbivores.
What are the different types of leaf apices?What are the different types of leaf apices?
The apex of the lamina (leaf blade) assumes various shapes. The shape of the leaf apex is important from taxonomic point of view. The following are the commonly occurring types of leaf apices : leaf apices. 1.Acute-The leaf apex is sharp pointed--the sides of which are straight or somewhat convex.
What does apiculate mean on a leaf?What does apiculate mean on a leaf?
Apiculate / mucronate: the leaf apex ends in a short protruding point. Hooked: with the apex distinctly hooked to one side ( uncinate ). Notched/unequally emarginate: with the apex distinctly indented ( emarginate) or one side of the leaf apex extends further than the other.
What is the flattened part of a leaf called?What is the flattened part of a leaf called?
The flattened part of the leaf is the leaf blade or lamina,which can be subdivided into three discrete regions: The tip or apex is the part of the lamina farthest removed from the point of attachment of the leaf to the stem. Click to see full answer. Besides, what is the apex of a leaf? Leaf Apex is a protruding part of a leaf.