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Ipomoea purpurea in Loganville, Georgia 4 J( W3 ^# ~/ T) T! E0 G2 @: B+ j9 B
Morning glory was first known in China for its medicinal uses, due to the laxative properties of its seeds.% `$ k& d8 k" B3 B
6 ]5 g: c9 @) z http://en.wikipedia.org/wiki/Morning_glory