Sexual Reproduction in Flowering Plants
Stamens do not protrude out of corolla. The condition is
Correct Answer: Option(d)
Solution: Stamens in a flower can be defined with respect to their position and length of the filaments. When the stamens remain confined within the flower and do not protrude out of the corolla, the condition is called inserted.
A. Introrse stamens face the centre of the flower or the gynoecium.
B. Extrorse stamens face the petals or the periphery of the flowers.
C. When the filaments are very long and the stamens protrude out of the flower, the condition is called exserted.
D. When the stamens remain within the flower and do not protrude out, the condition is called inserted.
Hence, the correct answer is 'Inserted'.