Arrangement of stamens relate to length of stamens

Where the stamens of a single flower differ in length, the pattern is given a specific name. In the didynamous condition, a flower has four stamens arranged as two equal pairs - two with long filaments and two with short filaments - as in the Lamiaceae (Ocimum). In the tetradynamous condition, a flower has six stamens, of which four have long filaments and two have short filaments, as in Brassicaceae (Brassica). In the heterostemonous condition, the stamens of a single flower are simply of several different lengths …