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Glossary of leaf morphology

Index Glossary of leaf morphology

The following is a defined list of terms which are used to describe leaf morphology in the description and taxonomy of plants. [1]

31 relations: Arrowhead, Bradawl, Chordate, Delta (letter), Flowering plant, Glossary of botanical terms, Heart (symbol), Kidney, Lance, Leaf, Leaf size, Leaf window, Leaflet (botany), Lyre, Nelumbo, Parity (mathematics), Perforate leaf, Petiole (botany), Phylloclade, Pinnation, Plant morphology, Plant stem, Rachis, Sickle, Sinus (botany), Stipule, Taxonomy (biology), Tepal, Terete, Thistle, Vernation.

Arrowhead

An arrowhead is a tip, usually sharpened, added to an arrow to make it more deadly or to fulfill some special purpose.

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Bradawl

A bradawl is a woodworking hand tool with a blade similar to that of a straight screwdriver and a handle made from wood or plastic.

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Chordate

A chordate is an animal belonging to the phylum Chordata; chordates possess a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail, for at least some period of their life cycle.

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Delta (letter)

Delta (uppercase Δ, lowercase δ or 𝛿; δέλτα délta) is the fourth letter of the Greek alphabet.

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Flowering plant

The flowering plants, also known as angiosperms, Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 416 families, approximately 13,164 known genera and c. 295,383 known species.

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Glossary of botanical terms

This glossary of botanical terms is a list of terms relevant to botany and plants in general.

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Heart (symbol)

The heart shape is an ideograph used to express the idea of the "heart" in its metaphorical or symbolic sense as the center of emotion, including affection and love, especially romantic love.

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Kidney

The kidneys are two bean-shaped organs present in left and right sides of the body in vertebrates.

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Lance

The lance is a pole weapon designed to be used by a mounted warrior or cavalry soldier (lancer).

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Leaf

A leaf is an organ of a vascular plant and is the principal lateral appendage of the stem.

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Leaf size

Leaf size of plants can be described using the terms megaphyll, macrophyll, mesophyll, microphyll, nanophyll and leptophyll (in descending order) in a classification devised in 1934 by Christen C. Raunkiær and since modified by others.

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Leaf window

Leaf window, also known as epidermal window, is a specialized leaf structure consisting of a translucent area where sunlight can enter into the interior surfaces of the plant's modified leaf where photosynthesis can occur.

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Leaflet (botany)

A leaflet (occasionally called foliole) in botany is a leaf-like part of a compound leaf.

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Lyre

The lyre (λύρα, lýra) is a string instrument known for its use in Greek classical antiquity and later periods.

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Nelumbo

Nelumbo is a genus of aquatic plants with large, showy flowers.

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Parity (mathematics)

In mathematics, parity is the property of an integer's inclusion in one of two categories: even or odd.

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Perforate leaf

Perforate leaves, sometimes called fenestrate, occur naturally in some species of plants.

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Petiole (botany)

In botany, the petiole is the stalk that attaches the leaf blade to the stem.

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Phylloclade

Phylloclades and cladodes are flattened, photosynthetic shoots, which are usually considered to be modified branches.

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Pinnation

Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis.

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Plant morphology

Plant morphology or phytomorphology is the study of the physical form and external structure of plants.

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Plant stem

A stem is one of two main structural axes of a vascular plant, the other being the root.

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Rachis

Rachis is a biological term for a main axis or "shaft" (from the Greek ράχις, backbone, spine).

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Sickle

A sickle, or bagging hook, is a hand-held agricultural tool designed with variously curved blades and typically used for harvesting, or reaping, grain crops or cutting succulent forage chiefly for feeding livestock, either freshly cut or dried as hay.

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Sinus (botany)

In botany, a sinus is a space or indentation between two lobes or teeth, usually on a leaf.

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Stipule

In botany, stipule (Latin stipula: straw, stalk) is a term coined by LinnaeusConcise English Dictionary Wordsworth Editions Ltd.

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Taxonomy (biology)

Taxonomy is the science of defining and naming groups of biological organisms on the basis of shared characteristics.

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Tepal

A tepal is one of the outer parts of a flower (collectively the perianth) when these parts cannot easily be divided into two kinds, sepals and petals.

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Terete

Terete is a term used in botany to describe a cross section that is circular, or like a distorted circle, with a single surface wrapping around it.

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Thistle

Thistle is the common name of a group of flowering plants characterised by leaves with sharp prickles on the margins, mostly in the family Asteraceae.

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Vernation

Vernation (from vernal meaning spring, since that is when leaves spring forth in temperate regions) is the formation of new leaves or fronds.

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Acicular (botany), Acute leaf, Amplexicaul leaf, Apiculate, Aristate (botany), Auriculate, Bifoliate, Bigerminate, Bijugate leaf, Bipinnate, Bipinnately compound, Biternate, Conduplicate, Cordate, Cuneate leaf, Cuspidate, Decompound leaf, Deltoid leaf, Denticulate leaf, Digitate, Doubly serrate, Doubly serrated, Elliptic (botany), Elongate leaf, Emarginate, Ensiform, Entire leaf, Erose leaf, Even-pinnate leaf, Falcate, Glossary of leaf shapes, Laciniate, Laminar leaf, Lanceolate, Leaf morphology, Leaf shape, Leaf shapes, Lobed, Lobed leaf, Lobes (leaf), Lorate, Lyrate, Mucronate, Obcordate, Obcordiform, Oblanceolate, Oblong (botany), Oblong leaf, Obovate, Obtrullate, Obtuse (leaf), Odd-pinnate, Orbicular (botany), Orbicular (leaf), Ovate (leaf), Palmate, Palmate lobe, Palmately, Palmately lobed, Palmately lobed leaf, Pandurate, Parallel-veined leaf, Parted leaf, Peltate, Perfoliate, Pinnately lobed, Pinnately lobed leaf, Ptyxis, Pungent leaf, Quinquefoliate leaf, Reniform, Retuse, Runcinate leaf, Sagittate, Serrulate, Spatulate, Subobtuse, Subulate, Trifoliate, Trifoliolate, Trullate, Unifoliate.

References

[1] https://en.wikipedia.org/wiki/Glossary_of_leaf_morphology

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