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Do Meat-Eating Plants Really Exist?

Tricia Christensen
By
Updated Jun 04, 2024
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Meat eating plants do exist, and most of them are insectivorous, which means they trap and ingest bugs through various mechanisms. Over time it appears these plants have evolved a digestive process, along with photosynthesis, in order to adequately resolve the plant’s nutritional needs. Meat eating plants are of several different types and are often grouped by the means through which they trap.

Pitcher plants create what are called pitfall traps. Most believe these plants to simply have evolved from plants with rolled leaves. Unsuspecting insects may enter the top of the leaves, often rolled or trumpet like in shape, and quickly fall to the bottom, where the plant secretes enzymes like protease and phosphotase. An insect at the bottom of the pitfall is trapped, and quickly becomes the victim of the meat eating plant.

One would think that all meat eating plants are tropical, like the Venus flytrap. However, there are actually some species of pitcher plants that use pitfalls in California and Florida. Even Canadians have found the Northern Pitcher growing in the wild.

Another common method of trapping insects employed by meat eating plants is secreting a sticky substance that renders the insect immobile. These are normally called flypaper traps. Many of the flypaper trap plants are from the Sundew family. An insect that lands on flypaper trap meat eating plants sets off chemicals that cause the plant to quickly grow and fold up to prevent the insect from escaping. Once the leaf has rolled, the captured insect is digested through enzyme secretion.

The Venus flytrap is a sundew, but employs a snap trap mechanism. Tiny hairs along the surface of these meat eating plants are set off when an insect lands on the plant, acting as an alarm. Once the “burglar alarm” is set off by a hapless insect, the flytrap quickly closes up and seals within a matter of seconds,

Less common trapping mechanisms include the bladder trap, which secretes water, forming a vacuum-like effect for insects. These are commonly found near water. The lobster pot meat eating plants are also quite rare. The plants can have a corkscrew shape like the Genlisea, which makes entering the plant easy, but exiting it quite confusing for the insect. Essentially the insect moves down the spirals until reaching a digesting area of the plant.

Much has been made fictionally of meat eating plants actually eating mammals, but most accounts, like that in the play Little Shop of Horrors are exaggeration. However, the occasional mammal has been the victim of the meat eating plant. This occurred in France in 2005 at a Botanical Garden in Lyons.

A pitfall trap plant was found to have a partially digested mouse inside. The plant was brought to the attention of botanists after people visiting the garden began to comment on the terrible smell emitting from the area where these plants from the Philippines were showcased. This discovery has led to more interest in whether some plants do rely on mammals, as well as insects, for food sources.

All Things Nature is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
Tricia Christensen
By Tricia Christensen
With a Literature degree from Sonoma State University and years of experience as a All Things Nature contributor, Tricia Christensen is based in Northern California and brings a wealth of knowledge and passion to her writing. Her wide-ranging interests include reading, writing, medicine, art, film, history, politics, ethics, and religion, all of which she incorporates into her informative articles. Tricia is currently working on her first novel.
Discussion Comments
By golf07 — On Jun 28, 2011

Bladderworts are another type of meat-eating plants that are very interesting. They hang out in the water, but are known to be the fastest killers of the plant kingdom and feed on mosquito larvae. They use their trap door to pull this larvae in at 1/50 of a second.

Teaching kids about carnivorous plants can be very interesting. Most kids aren't that excited to learn about plants, but when you start talking about meat-eating plants and how they capture their prey, you have a captive audience.

By LisaLou — On Jun 25, 2011

I remember being fascinated with Venus Fly traps since elementary school - to think that a plant could actually eat its prey sounded crazy.

They are not found in very many parts of the country, but you can grow them at home in a terrarium. They like moist, humid environments and this kind of setting is perfect for them. You will have to feed them some bugs though - a perfect way to get rid of those annoying house flys.

By anon1351 — On May 26, 2007

what are the evolutionary origins of the venus flytrap??

Tricia Christensen
Tricia Christensen
With a Literature degree from Sonoma State University and years of experience as a All Things Nature contributor, Tricia...
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