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Plant Science Terms
Agriscience
48
Plant Sciences
Undergraduate 1
11/02/2015

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Term
Annuals
Definition
A plant that completes its lifecycle within a year.
Term
Binomial Nomenclature
Definition
plants that are given two latinized names the Latin binomial known as "scientific name". The first name represents the genus.
Term
Carbohydrates
Definition
A group of organic compounds that happens in foods and in living tissues and is usually broken down to release energy in the animals or plants body. A group of organic compounds that contains sugar, starches, and cellulose.
Term
Cell Division
Definition
A division of a cell into two daughter cells that have the same genetic material.
Term
Cell Membrane
Definition
The membrane that surrounds the cytoplasm of a cell.
Term
Cell Wall
Definition
The outermost layer in a plant cell; gives the cell strength and structure.
Term
Chloroplast
Definition
Contains chlorophyll which helps do photosynthesis.
Term
Compound Leaf
Definition
a leaf of plants consisting of several or many distinct parts joined on a single stem.
Term
Cytoplasm
Definition
The fluid that fills a plant cell. Jelly like substance
Term
Embryo
Definition
Is part of a seed, consisting of precursor tissues for the leaves, stem,and root. When the embryo begins to germinate the embryo will come out and then it is called a seedling.
Term
Endosperm
Definition
Tissue produced inside of the seeds which is in most of the flowering plants around the time of fertilization.
Term
Epidermis
Definition
The epidermis is the outermost cellular layer which covers the whole plant structure, i.e. it covers roots, stem, leaves, flowers and fruit. It is composed of a single layer of living cells, although there are exceptions. Epidermis is usually closely packed, without intercellular spaces or chloroplasts.
Term
Fibrous Root System
Definition
A fibrous root system is the opposite of a taproot system. It is usually formed by thin, moderately branching roots growing from the stem. A fibrous root system is universal in monocotyledonous plants and ferns
Term
Fibrous Roots
Definition
Image result for what is Fibrous Roots
A fibrous root system is the opposite of a taproot system. It is usually formed by thin, moderately branching roots growing from the stem. A fibrous root system is universal in monocotyledonous plants and ferns.
Term
Flowers
Definition
the seed-bearing part of a plant, consisting of reproductive organs (stamens and carpels) that are typically surrounded by a brightly colored corolla (petals) and a green calyx (sepals)
Term
Germinating
Definition
Image result for what is Germination in plants
Germination is the process by which a plant grows from a seed. The most common example of germination is the sprouting of a seedling from a seed of an angiosperm or gymnosperm. In addition, the growth of a sporeling from a spore, such as the growth of hyphae from fungal spores, is also germination.
Term
Herbaceous Stem
Definition
Trientalis latifolia (Broadleaf Starflower) is a perennial herbaceous plant of the ground layer of forests in western North America. Herbaceous plants (in botanical use frequently simply herbs) are plants which have no persistent woody stem above ground. Herbaceous plants may be annuals, biennials or perennials.
Term
Herbaceous Stem
Definition
Trientalis latifolia (Broadleaf Starflower) is a perennial herbaceous plant of the ground layer of forests in western North America. Herbaceous plants (in botanical use frequently simply herbs) are plants which have no persistent woody stem above ground. Herbaceous plants may be annuals, biennials or perennials.
Term
Leaves
Definition
A leaf is an organ of a vascular plant and is the principal lateral appendage of the stem. The leaves and stem together form the shoot. Foliage is a mass noun that refers to leaves collectively
Term
Lipids
Definition
any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids.
Term
Meristem
Definition
A meristem is the tissue in most plants containing undifferentiated cells (meristematic cells), found in zones of the plant where growth can take place. Meristematic cells give rise to various organs of the plant and keep the plant growing.
Term
Nucleus
Definition
the central and most important part of an object, movement, or group, forming the basis for its activity and growth. Acts like the brain of a cell controls all activities.
Term
Nutrients
Definition
Plants must obtain the following mineral nutrients from the growing media: the primary macronutrients: nitrogen (N), phosphorus (P), potassium (K) the three secondary macronutrients: calcium (Ca), sulfur (S), magnesium (Mg. Provides nourishment for growth in plants and animals.
Term
Organelles
Definition
Image result for what is Organelles in plants
Most organelles are common to both animal and plant cells. However, plant cells also have features that animal cells do not have: a cell wall, a large central vacuole, and plastids such as chloroplasts.
Term
Palisade Cells
Definition
Palisade cells are plant cells found within the mesophyll in leaves, right below the upper epidermis and cuticle. They are vertically elongated, a different shape from spongy mesophyll cells beneath them in the leaf. Their chloroplasts absorb a major portion of the light energy used by the leaf.
Term
Petals
Definition
Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. Together, all of the petals of a flower are called a corolla
Term
Phloem
Definition
the vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves
Term
Photosynthesis
Definition
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct
Term
Pistil
Definition
the female organs of a flower, comprising the stigma, style, and ovary.
Term
Pith
Definition
Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant. In eudicots, pith is located in the center of the stem. In monocots, it extends also into flowering stems and roots.
Term
Pith
Definition
Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant. In eudicots, pith is located in the center of the stem. In monocots, it extends also into flowering stems and roots.
Term
Pith
Definition
Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant. In eudicots, pith is located in the center of the stem. In monocots, it extends also into flowering stems and roots.
Term
Pollination
Definition
Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, including plants, is to create offspring for the next generation. One of the ways that plants can produce offspring is by making seeds.
Term
Pollination Protein
Definition
Necter and other sources of food plants get through pollinators
Term
Respiration
Definition
In respiration, plants (and animals) convert the sugars (photosynthates) back into energy for growth and other life processes (metabolic processes). The chemical equation for respiration shows that the photosynthates are combined with oxygen releasing energy, carbon dioxide, and water.
Term
Root
Definition
Image result for what is roots in plants
In vascular plants, the root is the organ of a plant that typically lies below the surface of the soil. However, roots can also be aerial or aerating (growing up above the ground or especially above water).
Term
Root Hairs
Definition
The function of root hairs is to collect water and mineral nutrients present in the soil and take this solution up through the roots to the rest of the plant. As root hair cells do not carry out photosynthesis they do not contain chloroplasts.
Term
Seed
Definition
A seed is an embryonic plant enclosed in a protective outer covering known as the seed coat. It is a characteristic of spermatophytes (gymnosperm and angiosperm plants) and the product of the ripened ovule which occurs after fertilization and some growth within the mother plant.
Term
Seed Covering
Definition
Protective outer layer; protects the embryo of the plant
Term
Sepals
Definition
Image result for what is sepals in plants
A sepal (/ˈsɛpᵊl/ or /ˈsiːpᵊl/) is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom.
Term
Simple Leaf
Definition
A simple leaf blade is undivided as shown on the left (though the margins may be toothed or even lobed). The blade of a compound leaf is divided into several leaflets as shown on the right. If there is doubt as to whether you are looking at a leaf or a leaflet, locate the lateral buds
Term
Stamen
Definition
Stamen: The pollen producing part of a flower, usually with a slender filament supporting the anther. Anther: The part of the stamen where pollen is produced. Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma. The male part of the flower.
Term
Stems
Definition
Stems do many things. They support the plant. They act like the plant's plumbing system, conducting water and nutrients from the roots and food in the form of glucose from the leaves to other plant parts. Stems can be herbaceous like the bendable stem of a daisy or woody like the trunk of an oak tree.
Term
Tap Root
Definition
Taproot, Main root of a primary-root system. It grows vertically downward. From the taproot arise smaller lateral roots (secondary roots), which in turn produce even smaller lateral roots (tertiary roots). Most dicotyledonous plants (see cotyledon), such as dandelions, produce taproot
Term
Turger
Definition
When the concentration is equal, the plant cell still doesn't have enough pressure. The turgor pressure provided by osmosis in a hypotonic solution pushes outward on the plant cell wall, which is just what the plant cell needs to maintain its structure.
Term
Vacuole
Definition
Function of the Central Vacuole in Plant Cells. Central vacuoles are very versatile and can serve numerous important functions in the cells of plants. Central vacuoles are large containers. In this sense, they can be used to contain cellular waste and to isolate materia space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid that may be harmful to the cell.
Term
Veins
Definition
A vein is a vascular structure (xylem and phloem cells surrounded by the bundle sheath) in a leaf that provides supports for the leaf and transports both water and food. The veins on monocots are almost parallel to the margins of the leaf. The veins of dicots radiate from a central midrib.
Term
Xylem
Definition
the vascular tissue in plants that conducts water and dissolved nutrients upward from the root and also helps to form the woody element in the stem
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