37 relations: Abaxial, Adaxial, Ancient Greek, Antheridium, Archegonium, Bacteria, Christensenia (plant), Cycad, Danaea, Endospore, Fern, Fungus, Geastrum, Gleba, Gymnoglossum, Heterospory, Isoetes, Marattia, Marattiaceae, Marsileaceae, Meiosis, Microsporangia, Mitosis, Ovule, Pinophyta, Plant, Psilotum, Salviniaceae, Secotium, Selaginella, Sorus, Spore, Sporogenesis, Sporophyll, Sporophyte, Stamen, Strobilus.
The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.
An antheridium is a haploid structure or organ producing and containing male gametes (called antherozoids or sperm).
An archegonium (pl: archegonia), from the ancient Greek ἀρχή ("beginning") and γόνος ("offspring"), is a multicellular structure or organ of the gametophyte phase of certain plants, producing and containing the ovum or female gamete.
Bacteria (common noun bacteria, singular bacterium) is a type of biological cell.
Christensenia is a genus of ferns in the botanical family Marattiaceae.
Cycads are seed plants with a long fossil history that were formerly more abundant and more diverse than they are today.
An endospore is a dormant, tough, and non-reproductive structure produced by certain bacteria from the Firmicute phylum.
A fern is a member of a group of vascular plants that reproduce via spores and have neither seeds nor flowers.
A fungus (plural: fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms.
Geastrum (orthographical variant Geaster) is a genus of mushroom in the family Geastraceae.
Gleba is the fleshy spore-bearing inner mass of certain fungi such as the puffball or stinkhorn.
Gymnoglossum is a genus of fungi in the Bolbitiaceae family of mushrooms.
Heterospory is the production of spores of two different sizes and sexes by the sporophytes of land plants.
Isoetes, commonly known as the quillworts, is a genus of plants in the class Isoetopsida and order Isoetales.
Marattia is a small genus of primitive, large, fleshy eusporangiate ferns.
The order Marattiales is a group of pteridophyta containing the single family, Marattiaceae.
The Marsileaceae are a small family of heterosporous aquatic and semi-aquatic ferns, though at first sight they do not physically resemble other ferns.
Meiosis (from Greek μείωσις, meiosis, which means lessening) is a specialized type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell that gave rise to them.
Microsporangia are sporangia that produce microspores and give rise to male gametes.
In cell biology, mitosis is a part of the cell cycle when replicated chromosomes are separated into two new nuclei.
In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells.
The Pinophyta, also known as Coniferophyta or Coniferae, or commonly as conifers, are a division of vascular land plants containing a single extant class, Pinopsida.
Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.
Psilotum is a genus of fern-like vascular plants, commonly known as whisk ferns.
Salviniaceae (or formerly Salviniaceæ) is a family of heterosporous ferns in the order Salviniales.
Secotium is a genus of fungi in the family Agaricaceae.
Selaginella is the sole genus of primitive vascular plants in the family Selaginellaceae, the spikemosses or lesser clubmosses.
A sorus (pl. sori) is a cluster of sporangia (structures producing and containing spores) in ferns and fungi.
In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions.
Sporogenesis is the production of spores in biology.
A sporophyll is a leaf that bears sporangia.
A sporophyte is the diploid multicellular stage in the life cycle of a plant or alga.
The stamen (plural stamina or stamens) is the pollen-producing reproductive organ of a flower.
A strobilus (plural: strobili) is a structure present on many land plant species consisting of sporangia-bearing structures densely aggregated along a stem.
Eusporangia, Eusporangium, Leptosporangia, Leptosporangium, Macrosporangia, Macrosporangium, Megasporangia, Megasporangium, Microsporophore, Microsporophyll, Sporange, Sporangia, Sporangial, Sporangiform, Sporangioid, Sporangiospore, Synangia, Synangium.