How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with same lengths in their flowers?

Salvia has didynamous condition with two long & two-short stamens. Mustard, radish and turnip show tetradynamous condition with 2 short and 4 long stamens. Rest all other given plants have same length of stamens.