Columnaris
/kol-um-NAH-ris/🏷️ Taxonomy●● Intermediate
Also known as: columnare
A habit epithet describing a plant with a narrow, strictly upright, columnar growth form — tall and slender like a classical column. Appears as columnaris (both genders).
Etymology
From Latin columnaris, meaning "of or like a column," from columna (a column, pillar).
Example
“Taxus baccata 'Fastigiata' and various Populus cultivars demonstrate the columnar growth the epithet describes — narrow, strictly vertical forms creating exclamation marks in the landscape.”