Multiple choice Which of the following crucifers shows an exceptional presence of two stamens? Nastrusium Senebiera Raphanus Brassica None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation Most crucifers (Brassicaceae) have tetradynamous stamens (4 long + 2 short = 6 stamens). However, the genus Senebiera is exceptional in having only 2 stamens instead of the typical 6.