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History 4 P# G0 Y; f6 u. oIpomoea purpurea in Loganville, Georgia( v! m! O9 C, }; M8 f, f9 ~
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Morning glory was first known in China for its medicinal uses, due to the laxative properties of its seeds. $ V; b1 i2 ~( w3 E' O5 Q' y: E' s; v. t6 W http://en.wikipedia.org/wiki/Morning_glory