Family: Cannabaceae, hemp family
Genus, species: Celtis occidentalis
Leaves are lance-shaped. Base of leaf is asymmetrical, heart-shaped. Tip of leaf has a narrow curve. Leaves have rough texture with doubly-serrated edges.
Bark is gray or light brown with distinctive corky ridges and small wart-like bumps.
Flowers are small, green.
Fruits are reddish or purplish berries, each with one seed.
Hackberry trees are highly shade-tolerant and prolific stump-sprouters.
Hackberry branches sometimes have bushy growths called witches-brooms, caused by mites and fungal infections.
Hackberry leaves are often infected with gall-producing insects, resulting in formation of small bumps on leaves.
The family name, Cannabaceae, is from the Greek for "hemp." The genus name, Celtis, is from an ancient Greek name for a tree with sweet fruit. The species name, occidentalis, is from the Latin for "western" or "occidental."