Blue butterfly pea is a perennial tropical vine known for its striking, vibrant blue flowers. It has an interesting botanical name, Clitoria ternatea, because the flower’s shape resembles a human ...

Hummingbirds have favorite colors, and their preferences revolve around how nectar-filled a flower is to them and how easy it ...

What’s your favorite color? My favorite color has always been green. I guess it figures, given my life-long interest in plants. But, if you ask me what my favorite color of flower is, I would say blue ...

At a dinner party, or in the schoolyard, the question of favourite colour frequently results in an answer of “blue”. Why is it that humans are so fond of blue? And why does it seem to be so rare in ...

Blue is the rarest flower color, seen on only 10 percent of the 280,000 flowering plants on Earth. Among those who specialize in color analysis, it is sometimes claimed that, in reality, there has ...

At a dinner party, or in the schoolyard, the question of favourite colour frequently results in an answer of "blue". Why is it that humans are so fond of blue? And why does it seem to be so rare in ...

If you buy something from a link, Vox Media may earn a commission. See our ethics statement. Butterfly pea flower will give you the blues. “Suppose I were to begin by saying that I had fallen in love ...

A bit of imperfection could be perfect for flowers creating a “blue halo” effect that bees can see. At least a dozen families of flowering plants, from hibiscuses to daisy relatives, have a species or ...