What is a toothed margin?
A somewhat vague term referring to various kind of saw-like leaf margin with somewhat regular, shallow tooth on the edge that may be different in size (from very small to medium), in sharpness (from needle-like to soft), and in shape (from rounded to points).
What is a serrated leaf margin?
Noun. 1. serrate leaf – a leaf having a margin notched like a saw with teeth pointing toward the apex. foliage, leaf, leafage – the main organ of photosynthesis and transpiration in higher plants. Based on WordNet 3.0, Farlex clipart collection.
What does it mean for a leaf to be toothed?
TOOTHED: A type of leaf margin that has small points along it (teeth). Fine-toothed means that the teeth are small.
What does entire leaf margin mean?
Terms describing the margin of the leaf Entire: show all. Margins without teeth or serrations. The term entire refers to leaves that are neither toothed, lobed, or compound, i.e. simple with smooth margins. Sinuous or sinuate: show all. Margins with more or less wavy or sinuous structure in the plane of the leaf.
How can you tell a smooth margin from a toothed margin?
To determine if a leaf is toothed (serrated) or entire (smooth), you’ll look at what is called the leaf margin (the outside edge of the leaf). If it’s a serrated leaf, it’s more likely to be from a cooler climate and a deciduous forest.
What are the four types of teeth?
We have four different types of teeth, with each type serving a particular purpose for eating and chewing.
- 8 Incisors.
- 4 Canines.
- 8 Premolars.
- 12 Molars (including 4 wisdom teeth)
What is the different between teeth and tooth?
The concept is a mix of singular (tooth) and plural (teeth), but has children separating singular and plural. Children are also a mix of specification of one/many and cause of loss.
What trees have toothed leaves?
Some tree families always have toothed leaves: hickory, poplar, elm, beech, chestnut, birch and alder. Beginning with these families, you can begin to hone in on a possible identity for your tree.
How do you describe leaf margin?
The margin is the edge of the leaf lamina lying between the apex and base. Entire margins are smooth, without indentations or incisions. Revolute margins are rolled downward, toward the lower surface of the leaf.
Can a leaf be lobed and toothed?
There is also a type of leaf called a toothed lobed leaf. These are leaves that have rigid little teeth on the edge of the leaf and they are lobed because it has indentions in the shape of the leaf.
How do you describe a leaf?
Typically, a leaf consists of a broad expanded blade (the lamina), attached to the plant stem by a stalklike petiole. Leaves are, however, quite diverse in size, shape, and various other characteristics, including the nature of the blade margin and the type of venation (arrangement of veins).
What do you mean by margins more or less toothed?
Margins more or less toothed. The term is generic and encompasses the terms serrate, dentate, and crenate, which describe different types of relatively fine, continuous toothing, as well as situations where the teeth are widely spaced, large and lobe-like, or occur at different scales (doubly toothed).
Which is the best definition of the word toothed?
Definition of toothed : having teeth especially of a specified kind or number —often used in combinationfine-toothed : having teeth : having teeth of a specified kind : having or showing teeth especially of a particular kind sharp-toothed
What do you mean by cervical margin of tooth?
the slightly constricted part of a tooth, between the crown and the root. Slightly constricted tooth part, between crown and root. Synonym (s): cervix dentis [TA] , cervical margin of tooth, cervical zone of tooth, cervix of tooth, dental neck.
What’s the difference between toothed and saw toothed?
toothed – having teeth especially of a certain number or type; often used in combination; “saw-toothed”. toothless – lacking teeth; “most birds are toothless”; “a toothless old crone”. notched, saw-toothed, serrate, serrated. rough – of the margin of a leaf shape; having the edge cut or fringed or scalloped.