How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths of their flowers?
Four
Salvia, Mustard, Radish and turnip have stamens with different lengths in their flowers.
They show tetradynamous conditions where a flower has six stamens, two shorter than the other four.