The exchange of ideas and information between vegetation ecology and pollination ecology is relatively restricted, yet both fields have devised methods to detect the structure of species assemblages ...

A gradient (red) in the concentration of auxin, a plant hormone, determines that only one of the eight undifferentiated nuclei in a plant's embryo sac will become an egg. (In this image, a large ...

A gradient (red) in the concentration of the plant hormone auxin determines that only one of the eight nuclei in a plant's embryo sac will become an egg. (The blue island in the image is a cell ...

In plants, flowering is a crucial process for reproductive success and continuity of the species through time. Fruit production requires the perfect development of reproductive structures. Abscission, ...

Asteraceae presents one of the most diverse and intricate reproductive systems among flowering plants. The family is typified by its composite inflorescences, which combine both ray and disc florets ...

This video segment adapted from NOVA explains how flowers play a central role in the reproductive cycle of plants. Their striking array of colors, patterns, fragrances, and nectar all require lots of ...

The sex organs of primitive plants are inspiring precise pipettes. Liverworts are a group of ground-hugging plants with male and female reproductive structures shaped like tiny palm trees. The female ...

Grape phylloxera -- the insect that nearly wiped out wine production at the end of the 19th century in France -- hijacks a grape vine's reproductive programs to create a leaf gall, which it uses as a ...

Seeds, young plants, tubers and other types of plant reproductive material are an important part of our food supplies. They help ensure the productivity, diversity, and the health and quality of ...