Xenogamy (crossing between different plants) was the primary reproductive mode, producing up to about 160 seeds per capsule, while no more than 12 seeds were produced by autogamy (fertilization within a single flower).
(Xenogamy; was; the primary reproductive mode) (Xenogamy; producing up; to about 160 seeds per capsule) (no more than 12 seeds; were produced; by autogamy)
Xenogamy Xenogamy no more than 12 seeds
was producing up were produced
the primary reproductive mode
to about 160 seeds per capsule
by autogamy