Photo: Verbena macdougalii.

Flowering plants. Helsinki bot.g. (Kaisan.), Finland. Planted. 1999-07-13.
Verbena macdougalii Heller Engl.: MacDougal verbena, mountain blue vervain
Personal use? Non-commercial use? Commercial use? Read the Fine Print. Comments? Tell me.
Photo: Verbena macdougalii.