Cottonwood,aspen,and willow trees have beige flowers,with no petals,that appear before the tree's leaves are out in the spring;and they are dioecious.What does that indicate about these trees?

Question

Quizplus · Accepted Answer

Dioecious plants have male and female reproductive structures on separate plants, which means they rely on external agents like wind for pollination rather than self-pollination. The lack of petals and early flowering also suggest wind pollination.

Cottonwood,aspen,and Willow Trees Have Beige Flowers,with No Petals,that Appear Before