II. Adhesion of Androecium:
- When stamens are attached to other members of the flowers, it is called the adhesion of androecium.
- Epipetalous: When stamens are attached to the petals, they are called epipetalous, for example, brinjal.
- Epiphyllous: When stamens are attached to the perianth, they are called epiphyllous, for example, lily.
III. Fixation of Anthers:
- If the stamens are shorter than corolla, they are called inserted.
- If the stamens protrude out of the corolla, they are called exserted.
- When anthers are attached to the base of the filament, it is called basifixed/innate, e.g., Brassica.
- When filament run throughout the length of the anther or become continuous with the connective, it is called adnate, e.g., magnolia, ranunculus, etc.
- When filament is attached at the dorsal side of the anther, it is called dorsifixed, e.g., citrus.
- When filament in the middle of the connective, in such a way that the anther can swing freely, it is called versatile, e.g., grasses.
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Stamens attached to petals is called epipetalous.
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