Flowering Plants, Shrubs and Trees

Flowering plants, shrubs and trees provide the environment with much needed oxygen and fight soil erosion. They also provide food and shelter for many animals, as well as contribute to the fertility of soil with their dead leaves and flowers.

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Time to get nutty! How much do you know about all of the different types of nuts out there? Take this quiz and find out!

By Alia Hoyt

Researchers are studying the chemistry behind what makes cats go crazy for catnip. And whether or not the chemical compound could have medicinal benefits for treating diseases like cancer.

By Michelle Konstantinovsky

The Titan Arum is also known as the "corpse flower" because of its rotting-flesh scent. The flower rarely blossoms, even in the wild. See pictures of the corpse flower in this gallery.

By Julie Douglas

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Nature uses color in lots of different ways. Find out why some types of cabbage are purple and what this means.

There is a good chance that if you go to the grocery store and buy a bunch of grapes that they will be of the seedless variety. If the grapes are seedless, how are they able to produce new grapes? Find out the answer to that question in this article.

Poison ivy is often very difficult to spot. But if you come into contact with it, you'll soon know by the itchy, blistery rash that forms on your skin. Learn how poison ivy causes that rash, and how to get rid of it.

By Stephanie Wilson

Plants that eat other creatures? It sounds like a genetic experiment gone awry. But there's actually nothing unnatural about it; carnivorous plants have been around for millions of years.

By Ann Meeker-O'Connell

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How does hemp work? What do rope and "organic clothes" and drugs have to do with each other?

Mexican jumping beans are small, brown beans that seem to have a life of their own as they jump and move around. But what is it that makes them jump?

By Nicole Antonio

If you've heard of frankincense and myrrh, it's probably because of the biblical account of Jesus' birth. But have you ever wondered what exactly it was the three wise men gifted?

By Clint Pumphrey

Orchids might be the sexiest flower in the greenhouse. Its very name comes from the Greek word for "testicle!" And its reproduction methods are pretty exotic too.

By Alia Hoyt & Desiree Bowie

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Urushiol is the active chemical in poison ivy. Learn more about urushiol and how to properly remove poison ivy.

By HowStuffWorks.com Contributors

Many people think of cinnamon simply as a condiment that makes sweet treats taste even better, but the spice has had many, diverse uses over time. Could it have some medicinal properties, too?

By Diana Bocco

Have you ever suspected your neighbor was up to something illegal? He's always home and he gets midnight deliveries. Doesn't he have a job? Maybe he does, just not the kind you think.

By Robert Lamb

Pollen grains are, in essence, plant sperm. But how do the grains get where they need to go, and what's the advantage of trusting your genetic future to the winds?

By Jessika Toothman

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On Johns Island, South Carolina, stands an oak tree so big and beautiful that people come just to stand under its branches and feel the magic.

By Patty Rasmussen

Found along beaches and in the mangrove swamps of tropical climates, the fruit of the manchineel tree was called the 'little apple of death' by Spanish conquistadors.

By Katie Carman

Cork is the go-to material for wine stoppers and bulletin boards. So are we really running out of it? And if so, what happens?

By Wendy Bowman

Requiring little care and upkeep, daffodils are bright, showy perennials that symbolize rebirth and new beginnings.

By Wendy Bowman

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These majestic trees send their roots down in pillars from branch to ground, can form a canopy over 80 feet high and can live to be 250 years old.

By Michelle Konstantinovsky

Poison sumac is even more toxic than its cousins, poison ivy and poison oak, in its ability to cause allergic reactions and respiratory problems.

By Alia Hoyt

Hundreds of crops in developing countries are relatively unknown in the developed world because they're often hard to grow or export. But scientists have found that CRISPR editing can speed up traditional plant breeding techniques.

By Dave Roos

Machines can translate some of the biological functions of plants into synthesizer sounds. But are these synthesized translations the same thing as music?

By Jesslyn Shields

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A massive white oak in the hometown of the University of Georgia has many wondering whether a tree can even have legal rights — and about the future of the environmental and animal rights movements.

By Jamie Allen

How can something as delicate and delicious as a cranberry thrive in something as filthy as a bog? Blame it on the durability of this most unusual and hardy plant.

By Russel Avery