Question

2 long stamen and 2 short stamen in
Tetradynamous - Oscimum
Dydinamous - Salvia
4
Dydinamous - Mustard
Tetradynamous - Salvia​

Answer 1

Based on the length of the filaments, the stamens can be defined as didynamous when there are four stamens, two short and two long. It is seen in Ocimum.

A. Tetradynamous has six stamens, outer two are short and inner four are long, e.g., Brassica.

B. Didynamous has four stamens, two short and two long.

C. Diadelphous stamens have filaments united to form two bundles.

D. Diplostemonous has two whorls of stamens alternating with sepals and petals.

Hence, the correct answer is 'Didynamous'.