Petals are modified leaves that surround the reproductive parts of flowers.
Legumes grow from the carpel, the female reproductive part of a plant.
These become pendant in rainy weather thus shielding the reproductive parts.
The strobili bearing the reproductive parts are under a centimeter long.
It is dioecious, with male and female reproductive parts on separate plants.
The species is dioecious, with male and female reproductive parts on separate individuals.
A flower is called "perfect" (or synoecious) if it has both male and female reproductive parts.
These cases would not be vegetative reproduction because normally reproductive parts were involved.
These plants have both male and female reproductive parts and they make a lot of pollen.
If it comes from the reproductive part of the plant, it's a fruit.