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Related to didynamous: staminal
Having four stamens in two pairs of unequal length.
[From New Latin Didynamia, former class name : di- + Greek dunamis, power; see dynamic.]
(Botany) (of plants) having four stamens arranged in two pairs of unequal length, as in the foxglove
[C18: from New Latin Didynamia name of former class, from di-1 + Greek dunamis power, referring to the greater strength of the two long stamens]