boxthorn 
noun
A thorny shrub of warm-temperate regions, which bears red berries. Some kinds are used for hedging.
- Genus Lycium, family Solanaceae: several species (see also tea tree (sense 2)).
- Back then farmers were worried that the hedgecutters might destroy their hedges and often asked for guarantees that the boxthorn was going to survive the ordeal.
- The driver's area is surrounded by a grid of steel to protect the operator during the blade-belting battle against boxthorn and barberry.