Five-needled is a term used to describe coniferous trees that have needles that grow in bundles of five. Synonyms for this term include penta-needle, quinary-needled, and five-tipped. These synonyms all refer to the same characteristic of five needles growing together, but are phrased differently. Another synonym for five-needled is pentadactyl, which means "having five digits." This term is used in the context of animal anatomy, but can be applied to trees as well, as the five-needle bundles resemble fingers. Synonyms for five-needled are useful for adding variety to writing about coniferous trees and their characteristics.