Watching Plants Grow

Mae West once said, "Anything worth doing is worth doing slowly." Slow is certainly the word when it comes to plant sex, but that didn't stop a lot of people from taking a peek at a flowering Titan arum in the University of Wisconsin's botany greenhouse recently. When the department's prize arum decided to do its thing, the university on the shores of Lake Mendota in Madison let the whole world play voyeur every 30 seconds via a video camera connected to the Internet. Why the fuss? The Titan ar

Written byBarry Palevitz
| 3 min read

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Why the fuss? The Titan arum, with the titillating Latin name Amorphophallus titanum, is native to Sumatra and related to the common philodendron. It also happens to bloom only a few times in its 40-year life span. Just 15 flowerings have been recorded in U.S. collections in the last 60 years.

When Titan does bloom, it splurges big time. The flower--more correctly an inflorescence called a spadix containing many tiny male and female flowers--can be a whopping 10 feet tall and 3-4 feet wide, counting surrounding structures. This is no sweet rose fit for a giant vase, though; the Titan is also called the corpse flower, for good reason. When ready, it emits an odor akin to dead fish, which attracts pollinators like carrion beetles and flesh flies.

Wisconsin grew its Titan from seed collected in 1993, on the same expedition that spawned a segment in David Attenborough's TV series, ...

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