1. Growing or occurring in pairs; twin-like or double.
Usage: botanical and biological term; formal/technical
2. Having two lobes or parts that are nearly equal in size.
Usage: botanical term; technical

Examples

• The plant displayed didymous leaves arranged symmetrically along the stem.
• Didymous stamens are characteristic of certain flowering species.
• The seed pods were didymous, consisting of two nearly identical chambers.
• Botanists noted the didymous structure of the flower's reproductive organs.
• The didymous fruits hung in pairs from the branches.