Lobelia siphilitica

Common Name: 
great lobelia
Scientific Name: 
Lobelia siphilitica L., Lobelia syphilitica
Family Name: 
Lobeliaceae - Bluebell Family
Identification Notes
Life Cycle
native perennial, reproducing by seed
upright, usually simple or occasionally branched, stout, leafy, smooth or slightly pubescent, ridged, milky sap
Stems of Great Lobelia
alternate, oval to lanceolate, smooth or slightly pubescent, sessile, margins tooth irregularly, tips pointed, milky sap
5-petaled forming tube, pale purple to bright blue, irregular, two lipped – 2 petals above 3 below, lower lip with white spots above and striped with white below, upper lip curved backwards; racemes, leaf like bracts
Flowers of Great Lobelia