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Question 24 of 38

Q.Draw the diagram of stamen and label its parts.

Puducherry TnboardTamil Nadu HSC First Year (DGE) Board 2022Subjective· 2mImportance★★★★★
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Figure — Stem is a direct 'Draw the diagram of stamen and label its parts'; the canonical figure shows a typical stamen
Figure — Stem is a direct 'Draw the diagram of stamen and label its parts'; the canonical figure shows a typical stamen

A stamen (microsporophyll) is made of a filament and an anther; the anther has two lobes joined by a connective, and each lobe contains two pollen sacs where pollen grains develop.

Since a hand-drawn diagram cannot be rendered in this format, here is a complete, clearly labelled description of stamen structure exactly as it would be drawn and labelled in an exam diagram:

  1. Filament: The stalk-like, thread-like basal part of the stamen that attaches it to the thalamus or the corolla; it supports the anther and elevates it for effective pollen dispersal.

  2. Anther: The terminal, enlarged, usually bilobed structure borne at the tip of the filament; it is the actual pollen-producing part of the stamen.

  3. Connective: The sterile tissue that joins the two lobes of the anther together, continuous with the filament.

  4. Anther lobes (two): Each anther typically has two lobes, making the anther 'dithecous'.

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