Terms to Know for Diversity

An Illustrated Glossary


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Antheridium (plural = antheridia)

Archegonium

  • Of a Fern
  • Of Marchantia
  • Of Mnium (a moss)
  • View of Megagametophyte of Pine
  • Anther

    Ascus

    Ascospores

    Basidium

    Basidiospores

    Berry

    Blade (of a kelp)

    Calyx (Term for the sepals of a flower) view in snapdragon

    Carpel (of a flower)

    Capsule

    Centric (Diatom)

    Chloroplasts in any of the green algae observed

    Coenocytic (without cellular sepatations):

    Diatom

    Drupe

    Egg

    Eye spot of Chlamydomonas

    Flagella of Chlamydomonas (movie)

    Filament of dissected lily flower

    Follicle

    Fruiting Body

    of Morchella

    of powdery mildew

    of basidiomycetes

    of basidiomycetes (a mushroom)

    Gametophyte - Plant that produces gametes by mitosis

    Gametangia (from Zygomycota)

    Girdle view (of a diatom)

    Grain

    Heterocyst (of Anabaena)

    Heterosporous: the condition in vascular plants of bearing two types of spores - Microspores become male gametophytes, megaspores become female gametophytes. All seed plants are heterosporous.

    In Selaginella

    Holdfast (of kelp)

    Homosporous: the condition in vascular plants of bearing only one type of spore. These spores bear bisexual gametophytes. Know homosporous examples of the lycophytes as "club mosses".

    Hyphae

    Imperfect Flower (flower not having both stamens and carpels)

    Legume

    Mega- (prefix denoting femaleness in heterosporous plants)

    Megagametophyte = female gametophyte in vascular plants

    Megasporangiate strobilus (female cone) in Pinus

    Megasporangium ( From Selaginella with Megasporophyll)

    The Nucellus of seed plants is a megasporangium - see nucellus

    Megaspore - Example from Selaginella

    Megaspore Mother Cell: A diploid cell that undergoes meiosis to produce a megaspore: in seed plants will be viewed in the nucellus of a young ovule.

    Megasporophyll

    Microphyll (xs of club moss leaf ): type of leaf in the Lycophyta having only one vein and is which is not associated with a leaf gap

    Micro- (prefix denoting maleness in heterosporous plants)

    Microgametophyte

    Microsporangium

    Microsporangiate strobilus of Pine

    Microsporangium

    Microspores

    Microsporophyll

    Mycelium (a mass of hyphae)

    Neck (top part of the archegonium through which the sperm travels)

    Nucellus = megasporangium in seed plants

    Nut

    Oogonium (of Saprolegnia)

    Ovary

    Ovule

    Pennate (Diatom)

    Pistil (of a flower)

    Petals (of a flower)

    Plasmodium (of a slime mold)

    Pollen

    Pyrenoids of any of the green algae observed

    Receptacle (of a flower - Magnolia)

    Samara

    Sepals (of a flower)

    Sporangium

    Spores - in plants are always produced by meiosis

    Sporophyte - Plant that produces gametes by mitosis

    Stamen

    Stigma (of a flower)

    Stipe

    Style (of a flower)

    Stromatolite (fossil of Cyanobacteria)

    Sterile bract of a seed scale complex of a conifer ovulate cone (Pinus)

    Thallus (simple, relatively undifferntiated body of some organisms)

    Valve view (of a diatom)

    Zoosporangium (of Saprolegnia)

    Zygosporangium (of Rhizopus)


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