Share this entry

Share this page

cleistogamy

Line breaks: cleis|tog¦amy
Pronunciation: /klʌɪˈstɒɡəmi
 
/

Definition of cleistogamy in English:

noun

[mass noun] Botany
Self-fertilization that occurs within a permanently closed flower.
Example sentences
  • Sporobolus is mostly self-pollinated due to a high degree of sheath cleistogamy, while Panicum is a self-incompatible outbreeder.
  • F 1 plants had chasmogamous flowers, indicating that chasmogamy was dominant to cleistogamy.
  • The majority of grasses in which cleistogamy occurs have both chasmogamous flowers and either one or two types of cleistogamous flowers.

Origin

late 19th century: from Greek kleistos 'closed' + -gamy (from gamos 'marriage').

Derivatives

cleistogamous

1
adjective
Example sentences
  • Flowering plants had a mean of 9.5 inflorescences on 70 mostly cleistogamous spikelets.
  • We almost walked by the minute yellow flowers of Utricularia subulata, surprisingly still in bloom, and saw many more plants with cleistogamous flowers.
  • In addition, 62% of the flowers on these plants were cleistogamous indicating a high level of self-pollination.

Definition of cleistogamy in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day Noel
Pronunciation: nəʊˈɛl
noun
Christmas…