Celtis occidentalis–Common Hackberry Celtis occidentalis–Common Hackberry Celtis occidentalis–Common Hackberry Celtis occidentalis–Common Hackberry Celtis occidentalis–Common Hackberry Celtis occidentalis–Common Hackberry Botanical Family Cannabaceae Bloom Time March-June Pollen Characteristics Dispersal Unit Monad Aperture Number 3+ Aperture Type Porate Ornamentation Psilate Tectum Eutectate Size Shape Round Share this:TwitterFacebookLike this:Like Loading...