Info: Closeup of buds, sepals and receptacles / 2019-08-25 / Matthaei Botanical Gardens, Ann Arbor / License: All rights reserved
Caption: Asteraceae: Silphium perfoliatum - Buds, bugs, and blooms. The main 'bug' is a honey bee, but the dark specks on the main bloom are tiny insects. Too small for me to determine their identities. #pollination