Lipstick vines in Taiwan look different from their red-flowered relatives. When scientists dug into the family tree, they uncovered an evolutionary mystery.

Scientists found a tropical vine that changed its flowers without losing its pollinators, revealing a more flexible path to plant evolution.

Learn exactly what skeleton flower needs to produce its unique and otherworldly petals.

Lipstick vines get their name from their bright red, tube-shaped flowers. But one member of this group of plants has lost its ...

A couple of years ago this flower grew out of a small hole by the utility pole in the driveway. It has large blooms that only open early and late in the day. It has large, spiky seed pods and a ...

Passion vines (Passiflora sprucei) are one of the most beautiful vines you can plant in your garden not only for yourself but for three of Florida’s most abundant butterflies: zebra, gulf fritillary ...

Summer-flowering vines add so much to the landscape: They can cover arbors and pergolas to provide shade, fill in lattice fences and help with privacy, and make chain-link fences more attractive.

Hawaii is home to some of the most rare and stunning plants in the world. They may be uncommon and wild, but there are ...

Q. We have a trumpet vine that has been growing in the same sport for three years. It is lush and green, but no flowers. When I asked the nursery folks they said "Be patient." What is your take on ...