How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and…

How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
  1. Three
  2. Four
  3. Five
  4. Six

Solution

Mustard, Radish, and Turnip belong to family Brassicaceae, have stamens with different lengths in their flowers with androecium arrangement A2+4.
Salvia belongs to family Lamiaceae, have stamens with different lengths in their flowers with androecium arrangementA2+2.
Indigofera, Sesbania and gram belong to the Fabaceae family. Androecium in them is usually 10 stamens, filaments may be distinct or all united into a tube Monadelphous, or 9 united into a strap with one filament free diadelphous.

Allium and Aloe belong to the Liliaceae family. Androecium in them is polyandrous, epiphyllous, antiphyllous, filaments long, anthers versatile or basifixed, dithecous condition.

Asked in: NEET 2016 (Phase 2)

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