Scentropia Dark Blue (Heliotropium arborescens)
According to the little sign, this is a "fragrant heliotrope". They do smell nice, but I was most interested in the way the sunshine through the trees caused the little flowers to glow, seemingly with a light of their own.
RotaryBotanicalGardensGardenJanesvilleWisconsinUSAUnited StatesAmericaScentropiaDark BlueBlueHeliotropium arborescensHeliotropefragrantflowerflowersfloralsunlightcontrastno person