Ligularia sounds like some kind of pasta or seafood, but no, it's a plant, a perennial flower that has captured my fancy. I should say "flowers," because there are two species of ligularia that cou… ...

Close-up photos ofclarkia flowers show the two types of anthers, a conspicuous inner whorl and an outer whorl that blends in with the petals. (Image credit: Kay et al., 2020) While Kathleen Kay’s lab ...

A new study describes a pollination strategy involving flowers with two distinct sets of anthers that differ in color, size, ... "In the field, you can see flowers in different stages, ...

Research on the subject of heterostyly is often traced back to 1877 when Charles Darwin published "The Different Forms of Flowers on Plants of the Same Species." Throughout the 20th and 21st ...