11 Questions
What is the terminal structure of a stamen called?
Anther
Where is the proximal end of the filament attached?
The thalamus or the petal
What is the shape of a typical microsporangium in a transverse section?
Near circular
How many microsporangia are located in each lobe of an anther?
Two
What is the shape of a typical anther?
Bilobed
What develops from the microsporangia?
Pollen sacs
What is the primary function of the outer three wall layers of an anther?
Protecting the anther and aiding in dehiscence
What is the characteristic of the cells of the tapetum?
Having dense cytoplasm and multiple nuclei
What is the ploidy of the cells of the microspore tetrad?
Haploid
What is the process by which the cells of the sporogenous tissue undergo division to form microspore tetrads?
Meiosis
What is the function of the tapetum in the anther?
Nourishing the developing pollen grains
Learn about the different parts of a stamen, including the filament and anther, and how they vary in different species. Understand the attachment of the filament to the thalamus or petal and appreciate the diversity in stamen structure. Test your knowledge of plant anatomy!
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