☞ The name is also given to the several-leaved involucre of the iris and other similar plants.
Webster 1828 Edition
Spathe
SPATHE
,
Noun.
[L. spatha.] In botany, the calyx of a spadix opening or bursting longitudinally, in form of a sheath. It is also applied to the calyx of some flowers which have no spadix, as of narcissus, crocus, iris, &c.