macrosporangium Antonyms
No Synonyms and anytonyms found
Meaning of macrosporangium
macrosporangium (n)
a plant structure that produces megaspores
macrosporangium (n.)
A sporangium or conceptacle containing only large spores; -- opposed to microsporangium. Both are found in the genera Selaginella, Isoctes, and Marsilia, plants remotely allied to ferns.
macrosporangium Sentence Examples
- The macrosporangium, the larger spore-producing structure in ferns, develops from a single epidermal cell.
- Each pinna of the fern leaf bears several macrosporangia, which are protected by a protective indusium.
- The macrosporangium undergoes meiosis to produce haploid spores called megaspores.
- Megaspores produced by the macrosporangium give rise to female gametophytes.
- The mature macrosporangium contains a mass of free spores, which are dispersed by wind or animals.
- The number and arrangement of macrosporangia on a fern leaf can be used for taxonomic identification.
- The macrosporangium of ferns is analogous to the anther of flowering plants.
- Some ferns produce both microsporangia and macrosporangia on the same leaf, while others have separate leaves for each type.
- The size and shape of macrosporangia can vary significantly between different fern species.
- Macrosporangia play a crucial role in the reproductive cycle of ferns, producing the spores that give rise to new plants.
FAQs About the word macrosporangium
a plant structure that produces megasporesA sporangium or conceptacle containing only large spores; -- opposed to microsporangium. Both are found in the genera
No synonyms found.
No antonyms found.
The macrosporangium, the larger spore-producing structure in ferns, develops from a single epidermal cell.
Each pinna of the fern leaf bears several macrosporangia, which are protected by a protective indusium.
The macrosporangium undergoes meiosis to produce haploid spores called megaspores.
Megaspores produced by the macrosporangium give rise to female gametophytes.
