Plantae Flashcards
Learn vocabulary and concepts associated with plants
Accessory fruit
Fruit formed from part of the tissues outside the ovary
Aggregate fruit
One flower with several independent carpels
(blackberry, rasberry)
Alkaloid
Secondary Metabolite Caffeine, nicotine, quinine
Anther
Part of stamen that produces and contains pollen
Antheridia
Structures that produce sperm
Apical meristems
Region of cells capable to division and growth in the root/shoot tips in plants
Archegonia
Structured that produce eggs
Auxin
Hormones important in root intiation (root growth) and directional growth
Bifacial vascular cambium
Tissues that promote wider plant growth
Found in secondary growth organisms
Carpel
Female reproductive organ of a flowering plant
Central cell
The middle and largest cell in the multicellular haploid female ovule
Chlorophyll
Green pigment in chloroplast that participates in photosynthesis light retrieval
Collenchyma
Provide structure to plant
Primary cell wall but tougher (still flexible)
Companion cell
A living cell that is partnered with a sieve tube in assisting with function of plant in phloemw
Determinate growth
Growth in which the structure has a set growth and form (leaves of plant)
Diploid
Two complete sets of chromosomes in an organism
Diploid fertilization
Fusion of two gametes through fertilization creating a diploid zygote
Embryo
Early stage in the development of eukaryotes
Filament
A stalk that suports the pollen bearing anther
Flower
Combination of reproductive and nonreproductive whorls
Fruit
A fleshy or ripened ovary of a flowering plant enclosing the seed(s)
Gametangia
An organ or cell in which gametes are produced
Gametes
A reproductive cell of an animal/plant
Gametophyte
Gamete-producing and usually haploid phase producing the zygote
Gibberellins
Hormones specifically for stem elongation and fruit growth
Haploid
A single set of unpaired chromosomes (n)
Heterospory
Modification where there are two sizes of spore
Develop into diff gametophyte
More specialization and greater dispersal
Homospory
Only one size of spore produced
One gametophyte
Hydroids
Evolved tissues for conducting water in endohydric organisms
Leptoids
Evolved tissues for conducting sugars in endohydric organisms
Indeterminate growth
Growth that occurs all throughout the life of the organism (stem of plants)
Integuments
Envelope structure surrounding the nucleus within the ovule
Lateral meristems
Regions with cells found at the margins of stems and roots focusing on expanding width
Megagametophyte
Gametophyte that produces only female gametes (egg)
Megaphyll
Large vascularized leaves
Primary organ photosynthesis
Megaspore
Larger spore in heterosporous plants that is female gametophyte
Meiosis
Always results in a reduction of ploidy (division)
Meristem cells
Undifferentiated cells that can develop into different plant tissures
Microgametophyte
Gametophyte that produces only male gametes (sperm)
Microphyll
Leaves that have a single bundle of vascular tissue
Evolved from sporangia
Microspore
Smaller spore in heterosporous plants that is male gametophyte
Mitosis
Results in no change of ploidy (replication)
Multiple fruit
Fruits are the result of fusion of many flower with own carpel
(pineapple)
Nodes
Collection of meristematic tissue
Where leaves branch off
Only on stems
Ovary
Part of the female reproductive organ of the flower (holds ovule)
Ovule
Organ that forms the seeds of the flowering plants
Parenchyma
Are bulk of metabolism
Primary cell wall
Petal
Floral part that fuctions as a visual element to attract pollinators
Phloem
Vascular tissue that transports sugars
Plasmodesmata
Cell to cell junctions
Pollen
Deliver sperm to egg
Pome
Accessory fruit
Primary Growth
Adds length (apical meristem)
Rhizome
Underground stem (ferns)
Root
Part of plant that attaches it to the ground for support and nourishment
Root hairs
Extension of root cells that are important for acquiring nutriensts and plant anchorage
Sclerenchyma
Dead at maturity (lignin)
Structure
Secondary growth
Adds width (lateral meristem)
Secondary metabolite
Compounds produced by plants that are not part of growth, development, or reproduction
Seed
Fertilized, mature ovule that has an embryo, nutritive tissue, and a seed coat
Sepal
Outer parts of the flower that enclose and protect flower bud
Sieve tube
Maintaining cells and transport in phloem
LIVING CELLS
Sori
Clusters of sporangia
Sporangium
The cap of a stalked sporophyte in mosses
Spore
A unit of reproduction that is adapted for survival/dispersal
Sporophyte
Multicellular diploid stage found in plants and algae that undergo alternation of generations
Produced haploid spores through meiosis
Stamen
Male fertilizing organ of flower with anther and filament
Stomata
Small pores in leaf of plant that facilitates exchange of gases
Stroma
Liquid inside chloroplast
Terpene
Aromatic compounds found in many plants
Thylakoid
Flattened sacs inside chloroplast which light reactions of photosynthesis take place
Tracheid
Tubular cell in xylem of plant
(made of Lignin DEAD)
Trichome
Serve as extensions of plant which help with development
(DERMAL tissues)
Vessel element
An elongated, water conducting cell present in the xylem (DEAD)
Waxy cuticle
Waxy covering on the surface of many plant organs
Land plants
Xylem
Vascular tissue which transports water throughout the plant
Zygote
A diploid cell resulting from fertilization of two gametes