Definition of cleistogamy in English:
 cleistogamy
nounklʌɪˈstɒɡəmiklaɪˈstɑɡəmi
mass nounBotany Self-fertilization that occurs within a permanently closed flower.
 Example sentencesExamples
-  The majority of grasses in which cleistogamy occurs have both chasmogamous flowers and either one or two types of cleistogamous flowers.
 -  Our review offers insight into the importance and diversity of cleistogamy.
 -  F 1 plants had chasmogamous flowers, indicating that chasmogamy was dominant to cleistogamy.
 -  R. menthoides cleistogamy is a novel discovery, which augments the number of species of this genus with that reproductive system.
 -  Sporobolus is mostly self-pollinated due to a high degree of sheath cleistogamy, while Panicum is a self-incompatible outbreeder.
 
Derivatives
  
adjective
Botany  Flowering plants had a mean of 9.5 inflorescences on 70 mostly cleistogamous spikelets.
 Example sentencesExamples
-  In addition, 62% of the flowers on these plants were cleistogamous indicating a high level of self-pollination.
 -  Nandi suggests that the flowers of L. intermedia Leggett are cleistogamous because of their reduced size.
 -  We almost walked by the minute yellow flowers of Utricularia subulata, surprisingly still in bloom, and saw many more plants with cleistogamous flowers.
 -  Several insects, birds and mammals have been suggested or proven as likely pollinators, but some species appear to be self-pollinated or even cleistogamous.
 
Origin
  
Late 19th century: from Greek kleistos 'closed' + -gamy (from gamos 'marriage').
   Definition of cleistogamy in US English:
 cleistogamy
nounklaɪˈstɑɡəmiklīˈstäɡəmē
Botany Self-fertilization that occurs within a permanently closed flower.
 Example sentencesExamples
-  F 1 plants had chasmogamous flowers, indicating that chasmogamy was dominant to cleistogamy.
 -  Our review offers insight into the importance and diversity of cleistogamy.
 -  Sporobolus is mostly self-pollinated due to a high degree of sheath cleistogamy, while Panicum is a self-incompatible outbreeder.
 -  The majority of grasses in which cleistogamy occurs have both chasmogamous flowers and either one or two types of cleistogamous flowers.
 -  R. menthoides cleistogamy is a novel discovery, which augments the number of species of this genus with that reproductive system.
 
Origin
  
Late 19th century: from Greek kleistos ‘closed’ + -gamy (from gamos ‘marriage’).