lobelia(n = noun.plant) - any plant or flower of the genus Lobelia;
is a kind of herb, herbaceous plant
is a member of genus lobelia
has particulars: cardinal flower, indian pink, lobelia cardinalis, bladderpod, indian tobacco, lobelia inflata, lobelia dortmanna, water lobelia, blue cardinal flower, great lobelia, lobelia siphilitica

   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. Lobelia cardinalis is the cardinal flower, remarkable for the deep and vivid red color of its flowers. [1913 Webster]

lobelia, n. any plant of the genus Lobelia, with blue, scarlet, white, or purple flowers having a deeply cleft corolla.

Etymology:
M. de Lobel, Flemish botanist in England d. 1616

genus lobelia, great lobelia, lobelia cardinalis, lobelia dortmanna, lobelia family, lobelia inflata, lobelia siphilitica, water lobelia