Androecium – didynamous and tetradynamous stamens

2016 Phase II 1 question

1. 1 Morphology of Flowering Plants
   How many plants among $Indigofera$, $Sesbania$, $Salvia$, $Allium$, $Aloe$, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
   A Five B Six C Three D Four
   Check Answer