Lobelia cardinalis
A somewhat rare plant of bottomland woods. I have pictures from both Indiana and Arizona.
Flowers at Sycamore Canyon, AZ, 8/7/05.
An inflorescence at Sycamore Canyon, AZ, 8/7/05.
A cauline leaf in Bloomington, 8/3/03.
A flower in Bloomington, 8/3/03.