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The bloom of the Titan arum is an inflorescence, a collection of many individual flowers. This inflorescence is composed of a petal-like structure called a spathe that has a ruffled edge. The spathe surrounds a fleshy central spike called a spadix. Male and female flowers are produced in rings at the base of the spadix. (Photo by MSU Extension/Gary Bachman)

Rare plant to bloom soon in Poplarville

MSU Extension Service

Most of the time, I write about what I think are great landscape plants for gardeners in Mississippi to try in their landscapes. But this column is a bit different as I’m writing about a plant I don’t recommend for the home gardener.

Gary Bachman
Gary Bachman

So I ask your pardon while I turn to my alter ego as a plant nerd.

At the South Mississippi Branch Experiment Station in Poplarville, a very unusual plant is going to bloom shortly. Called a titan arum, this plant originates a long way from Mississippi -- in Indonesia.

It has been nicknamed “Spike,” and it has the distinction of producing the largest inflorescence in the plant world. In case you were wondering, an inflorescence is a collection of many, many individual flowers.

The titan arum inflorescence is composed of a petal-like structure called a spathe that has a ruffled edge. When fully unfurled, the inside surface will become a deep burgundy. The spathe surrounds a fleshy central spike called a spadix. The male and female flowers are produced in rings at the base of the spadix.

What is phenomenal is the sheer size -- the spadix can reach up to 7 feet tall. As I write this, Spike is currently 63 inches tall.

Spike is a 9-year-old, 63-inch-tall rare titan arum about to bloom.Spike is a 9-year-old, 63-inch-tall rare titan arum about to bloom. Although originally from Indonesia, this one is grown at the Mississippi State University research station in Poplarville. (Photo by MSU Extension/Gary Bachman)

What’s so exciting is the fact that titan arums don’t flower every year, especially those in captivity or those grown in greenhouses. Spike is 9 years old, and this is the first time he has flowered.

Another interesting and pretty unusual thing about titan arum is the method it uses to attract pollinators. The flower is only going to be open for a maximum of two days, so it has to act quickly.

When the flower blooms, it will become thermogenic (generate its own heat). This heat causes organic compounds in the flower to evaporate, and the aroma is not what I would call floral at all. In fact, it smells like rotting meat, and the pollinators it attracts include flies and carrion beetles.

At this point, you can understand why there is another common name for titan arum: the corpse flower.

As I write this column, Spike has not yet bloomed, and we’re giving anyone who is interested the opportunity to view this rare and unusual plant. Spike can be viewed during regular station hours, from 8 a.m. to 4 p.m., beginning June 27 until blooming has ended.

If visiting Poplarville does not fit into your schedule, you can also watch Spike’s progress online via the “Spike Cam” at http://extension.msstate.edu/spikecam. The research station is located at 711 West North Street in Poplarville. Contact Gene Blythe at 601-403-8774 or Scott Langlois at 601-403-8770 for more information.

 

Released: June 27, 2016
Photos for publication (click for high resolution image):
  • The bloom of the Titan arum is an inflorescence, a collection of many individual flowers. This inflorescence is composed of a petal-like structure called a spathe that has a ruffled edge. The spathe surrounds a fleshy central spike called a spadix. Male and female flowers are produced in rings at the base of the spadix. (Photo by MSU Extension/Gary Bachman)
  • Spike is a 9-year-old, 63-inch-tall rare titan arum about to bloom. Although originally from Indonesia, this one is grown at the Mississippi State University research station in Poplarville. (Photo by MSU Extension/Gary Bachman)
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