Introduced to New Zealand about 1950, blue morning glory (Ipomoea indica) is a tropical species. Here it is growing on bush north of Whangārei. It spreads by sending out new roots from stem nodes. Broken plant pieces will form a new plant and increase the size of any current infestation. Its dense growth stops sunlight from reaching the leaves of trees and seedlings, killing both.
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Te Ara - The Encyclopedia of New Zealand
Photograph by Melanie Lovell-Smith
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