Behind the stillness of desert landscapes, cacti appear to be changing in unexpected ways. The cactus on your windowsill may ...

A unique plant is discovered in the Philippines with rare traits and fewer than 50 known specimens, now critically endangered.

A member of the aster and sunflower family found in Isle Royale National Park is one of the world's newest-described flower species. Small with delicate yellow blades, Packera insulae-regalis -- Latin ...

Plants are usually seen as stationary life forms, quietly supporting environments. But plant communities and populations are ...

Sometimes newfound flower species are lurking where scientists least expect to see them — in parks, gardens and even in planters on balconies. That's where researchers in Japan recently identified a ...