Plant
Twig
- Alternate leaf arrangement
Leaf
- 5-8" long
- Elliptical, tapering to a point
- Alternate, simple, coarse to sharp- or spine-toothed edges
Flower
- Yellowish catkins resembling chenille pipe cleaners
Fruit
- 2-3" long
- Globe-shaped, sharp, spiny bur
- Open to release shiny, brown, edible nuts
