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Updated: October 28, 2026
Several other flowers have in similar manner two sets of stamens of different ages, as Adoxa, Lychnis, Saxifraga. See Genista. Perhaps a difference in the time of their maturity obtains in all these flowers, which have numerous stamens. Catchfly.
In the British Adoxa the uppermost flower generally has two calyx-lobes with the other organs tetramerous, while the surrounding flowers generally have three calyx-lobes with the other organs pentamerous. It is a more curious fact, previously referred to, that the achenes or seeds of the circumference and centre sometimes differ greatly in form, colour and other characters.