Some plants have organs specially designed for this...

Some plants have organs specially designed for this, while others give off spores that behave like seeds, as it were, (it should be remembered that seeds are the results of a process of sexual reproduction). Sexual reproduction in the vegetable kingdom is carried out by the coupling of the male and female parts of the generic formations united on a same plant or located on separate plants. This is the only form that is mentioned in the Qur'an.

-aura 20, verse 53: "(God is the One Who) sent water down from the sky and thereby We brought forth pairs of plants each separate from the other." 'One of a pair' is the…