- pertaining to or having pollination occurring in unopened flowers.
Also cleis·to·gam·ic [klahy-stuh-gam-ik] /ˌklaɪ stəˈgæm ɪk/.
Origin of cleistogamous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cleistogamous
The other species are all propagated by their cleistogamous flowers.The Making of Species
This has no scent, the capsule is roundish and hairy, and the cleistogamous flowers are abundant.Field Book of Western Wild Flowers
Some of the plants with cleistogamous flowers might afford examples of such cases.
His view that cleistogamous flowers are derived from originally chasmogamous flowers has been confirmed by more recent researches.
The cleistogamous, and not the brilliant flowers: the victory is with ugliness, and not with beauty.
- 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.