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Mr. Smarty Plants - Non-native, non-invasive Thunbergia alata

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Thursday - March 30, 2006

From: Newnan, GA
Region: Southeast
Topic: Non-Natives
Title: Non-native, non-invasive Thunbergia alata
Answered by: Nan Hampton

QUESTION:

I'm trying to find the proper name for Climbing Blackeyed Susan, or Blackeyed Susan Vine. We had one on a trellis and it was beautiful, but I'm told that it is an undesirable weed. Any info appreciated. Thanks.

ANSWER:

The botanical name for the plant is Thunbergia alata. It is a native of East Africa. Although this plant is considered an environmental threat in Australia, I could not find it listed in the Invasive Plants of the Eastern United States database or any other database of invasives for North America.
 

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