Cleistogamic

{ Cleis′to‐gam″ic (?), Cleis‐tog″a‐mous (?) } a. [Gr. � closed (fr. � to shut) + γάμοσ marriage.] (Bot.) Having, beside the usual flowers, other minute, closed flowers, without petals or with minute petals; — said of certain species of plants which possess flowers of two or more kinds, the closed ones being so constituted as to insure self-fertilization. Darwin.