Plant
- Trailing or upright perennial
- Numerous cultivars
Twig
- Alternate leaf arrangement
- Biennial canes with foliage (first year), flowers and fruit (second year)
- Usually thorny, but some cultivars lack thorns
Leaf
- Alternate, compound
- 3-5 toothed leaflets
Flower
- ¾-1½" wide
- White petals, many stamens
Fruit
- ½-1" wide aggregate of drupelets
- Red, ripening to dark purple to black
- Fruit stem remains attached to the blackberry when harvested
