Of or relating to a flower that does not open and is self-pollinated in the bud.
(bot.) Having small, unopened, self-pollinating flowers, usually in addition to the showier flowers.
Of or relating to a flower that does not open and is self-pollinated in the bud. The fertile flowers of the violet are inconspicuous and cleistogamous, while the plant's more familiar showy flowers are usually infertile.
American Heritage Dictionary of the English Language, 5th Edition
Cleistogamous Sentence Examples
The cleistogamous flowers are developed before or after the normal open flowers at seasons less s-- favourable for cross-pollination.
Flowers which are closed at the time of maturity of anthers and stigmas are termed cleistogamous.
Many plants produce, in addition to ordinary open flowers, so-called cleistogamous flowers, which remain permanently closed but which notwithstanding produce fruit; in these the corolla is inconspicuous or absent and the pollen grows from the anther on to the stigma of the same flower.