This glossary definition is part of the Purdue Arboretum learning resource database, providing educational information on campus flora, morphology, and botanical terminology.
Fastigiate
Having close, erect, almost parallel branches that give a narrow, columnar, or spire-like appearance. This term helps explain how a plant grows, survives, spreads, or fits into its habitat.
Did you know?
Fastigiate trees are useful in narrow spaces because they grow upright and column-like rather than spreading wide.
Having an upright branching habit. Sometimes the upward sloping branches can look like they’re part of a single column.
e.g., Irish Yew
The Purdue Arboretum is a collaboration between the Department of Horticulture and Landscape Architecture and Administrative Operations