Ensiform: Lance- or sword-shaped with the widest point toward the base. Synonyms: gladiate, lanceolate.*
Ensiform leaves are common in plants in the iris family (Iridaceae), such as the crocus pictured above.
*Pell, S.K., Angell, B. (2016). A botanist’s vocabulary: 1300 terms explained and illustrated. Portland: Timber Press.
