(Science: botany) a genus of plants, including a great number of species. Lobelia inflata, or indian tobacco, is an annual plant of North America, whose leaves contain a poisonous white viscid juice, of an acrid taste. It has often been used in medicine as an emetic, expectorant, etc. L. Cardinalis is the cardinal flower, remarkable for the deep and vivid red colour of its flowers.
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This looks like the asymmetric flowers of lobelia. There is one common species sold in nurseries, trailing Lobelia erinus, originally native to California that might what you found be but there are many species. http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=8515 ...
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