Sex in the garden is more straightforward for the birds and the bees than it’s for the plants. Reproductive processes vary among flowering plants; for many, there is more than one option. When ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. SOPHIE: If you’ve bought fresh bulbs, they’re already pre-chilled, but if you’re in an area that ...

Willow trees are distinctly male or female, necessitating 'interaction' between the sexes for reproduction. They rely heavily on external forces, such as wind, insects, birds to transfer pollen from ...

Nitsch, J. P., Kurtz, E. B., Liverman, J. L., and Went, F. W., Amer. J. Bot., 39, 32 (1952).

DIŒCY, the separation of the sexes on to different diploid individuals, occurs irregularly throughout the higher plants. It must therefore have arisen a number of times during the evolution of this ...