fastigiate

/fæˈstɪdʒiɪt/
adjective
  1. (of a tree or plant) Having branches that grow upward in a narrow, cone-shaped form.
    • Fastigiate shrubs are often used to create vertical accents in landscaping.
    • The fastigiate beech tree had a distinctive columnar shape.
    • The fastigiate oak tree stood tall and narrow in the garden.
Antonyms