What are Pinnatifid leaves?
A pinnatifid leaf. adjective. Having leaves in a featherlike arrangement, with narrow lobes whose clefts extend more than halfway to the axis. adjective. (botany, of leaves) Having lobes with incisions that extend less than half-way toward the midrib.
What is a leaf shape called?
Leaf shapes: main part of the leaf, usually alrge and flat. Oblong: elongated shape. Spatulate: shaped like a spatula. Oval: elliptical. Lanceolate: shaped like the head of a lance.
What is serrated leaf?
Definitions of serrate leaf. a leaf having a margin notched like a saw with teeth pointing toward the apex. type of: foliage, leaf, leafage. the main organ of photosynthesis and transpiration in higher plants.
What is the difference between Unifoliolate and simple?
As adjectives the difference between simple and unifoliate is that simple is uncomplicated; taken by itself, with nothing added while unifoliate is (botany) having a single leaf.
What is modified leaf?
The structure and function of a leaf can be modified over the course of evolution as a plant adapts to a particular environment. Some leaves may be converted to storage structures below ground (as with a bulb) or into plant defense structures (as with a spine). In each plant (A-D), one leaf has been shaded with orange.
What’s a rhomboid look like?
Rhomboids, like triangles, may take various different shapes, but they always look like a lopsided diamond or rectangle. As both a noun and an adjective, rhomboid can be applied to anything with those shapes, such as certain muscles of the upper back when viewed from behind.
What is a toothed leaf?
TOOTHED: A type of leaf margin that has small points along it (teeth). Fine-toothed means that the teeth are small. Course-toothed means that the teeth are large. Single-toothed means that all the teeth are about the same size.
What is a crenate leaf?
Definitions of crenate leaf. a leaf having a scalloped margin. type of: foliage, leaf, leafage. the main organ of photosynthesis and transpiration in higher plants.
What is Lanceolate shape?
: shaped like a lance head specifically : tapering to a point at the apex and sometimes at the base lanceolate leaves lanceolate prisms — see leaf illustration.
What’s the difference between a pinnatifid and pinnatisect leaf?
A pinnate leaf is a compound leaf that has leaflets on each side of the midrib or common axis. Pinnatifid and pinnatisect leaves are two types of leaves based on the depth of divisions or incisions. Pinnatifid leaves have lobes with incisions going less than half-way toward the midrib.
What do you call a leaf that looks like an arrow?
“Ruccinate, when the divisions of a pinnatifid leaf are more or less triangular, and pointing downwards.”—Darby,… An irregular saw-toothed or pinnately incised with the lobes or teeth hooked backwards. A leaf that resembles an arrow-head in shape. A leaf shaped like a triangle.
How is the leaf shape used to identify a plant?
Being one of the more visible features, leaf shape is commonly used for plant identification. Similar terms are used for other plant parts, such as petals, tepals, and bracts . Slender and pointed, needle-like.
What kind of leaf is a palmately lobed leaf?
Being divided by clefts, may be pinnately lobed or palmately lobed. Having the form of a thong or strap. Shaped like a lyre, pinnately lobed leaf with an enlarged terminal lobe and smaller lateral lobes.