Horsemint - Monarda citriodora

Other names: Lemon beebalm
plains horsemint, tall
horsemint, lemon-mint,
and lemon.

Group: Dicot
Family: Lamiaceae
Growth Habit: Forb/herb
Duration: Annual/Biennial
US Nativity: Native
Flowers: White to a rather
deep lavender

Source

USDA
Photos: Courtesy S. P. Johnson