Plants

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Can Rain Start a Forest Fire?

The stinking passion flower (Passiflora foetida) is native to wet tropical areas in the West Indies and central South America.

Ten Plants That Put Meat on Their Plates

In addition to the well-known Venus flytrap, many other plant species feed on bugs or crustaceans

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Picture of the Week—Spiny Sowthistle

The spiny sowthistle (Sonchus asper) is a flowering plant that grows up to three feet tall and sprouts small yellow flowers

Everything that lives on the Galapagos Islands now flew in on the wind, rode a freak current, or floated on a raft of vegetation.

Top Ten Places Where Life Shouldn't Exist... But Does

Smithsonian lists the most improbable, inhospitable and absurd habitats on Earth

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Amazing Living Root Bridges in India

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Picture of the Week--A Flower Unfolding

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Strange Sex Lives of Orchids

The 190-mile-long Cahaba River is home to many rare species, some of which were thought to be extinct. The showy Cahaba lily (at Halfmile Shoals) thrives in clean, clear, rapidly flowing water.

The Cahaba: A River of Riches

An unsung Alabama waterway is one of the most biologically diverse places in the nation, home to rare flora and fauna

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Wicked Plants (and Fungi)

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Picture of the Week—Irish Moss

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Help Defend Against the Invaders

They have come to our country from all over the world, brought here in the bowels of ships, in the cargo holds of planes, even on the bottoms of our shoes

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Pictures of the Week—Orchids

Able to identify the orchids in these photos?

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Bamboo Steps Up

An ancient plant becomes a new sensation

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Wild Things: Life As We Know It

Mammoths, Clownfish and Traveling Plants

35 Who Made a Difference: Mark Plotkin

An ethnobotanist takes up the cause of rain forest conservation

35 Who Made a Difference: Wes Jackson

In Kansas, a plant geneticist sows the seeds of sustainable agriculture

In his greenhouse, Ragan Callaway pits spotted knapweed plantings (left) against native Montana grasses (right), trying to outwit the weed's chemical weaponry.

Wicked Weed of the West

Spotted knapweed is driving out native plants and destroying rangeland, costing ranchers millions. Can anybody stop this outlaw?

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Stimulants

Both ginseng and dolphins evoke passionate emotions

American ginseng—whether wild or cultivated (for sale at left in New York)—commands higher prices than Asian varieties.

Getting to the Root of Ginseng

Questions about the herb's health benefits haven't cooled the red-hot market in wild American ginseng

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Kudzu: Love It — or Run

Aggressive weed that "grows like the devil" and will not die is manna for sheep, cows and folks who use it to cure hangovers, weave baskets and make jelly

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