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Of or relating to a flower that does not open and is self-pollinated in the bud.

[Greek kleistos, closed (from kleiein, to close) + -gamous.]

cleis·tog′a·my (-mē) n.


(klaɪˈstɒg ə məs)

also cleis•to•gam•ic

(ˌklaɪ stəˈgæm ɪk)

pertaining to or having pollination occurring in unopened flowers.
[1880–85; < Greek kleistó(s) closed, v. adj. of kleíein to close, bar + -gamous]
cleis•tog′a•my, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.cleistogamous - exhibiting or relating to cleistogamy
References in periodicals archive ?
Life history trade-offs in Amphibromus scabrivalvis (Poaceae): Allocation to clonal growth storage, and cleistogamous reproduction.
2008), some Podostemaceae (Cook & Rutishauser, 2007), and some cleistogamous flowers of Violaceae (Weibel, 1941), monosymmetry by reduction is present.
that species with stylar movements that ensure self-pollination, or that possess cleistogamous flowers, are in fact self-compatible; and that dioecious species are self-incompatible).
caroliniensis are known to produce both chasmogamous (outcrossed) and cleistogamous (small, self-fertilized) flowers (Long & Uttal 1962; Long & Lakela 1978).
She is studying the effect of prescribed fire and invasive plant removal on the demography, population genetic structure, and breeding system of Viola conspersa, a state-listed violet that produces both chasmogamous (open) and cleistogamous (closed) flowers.
Flowers are of two main types: chasmogamous flowers from the upper nodes, and cleistogamous flowers from nodes near or below ground level (Hunt, 1975).
linearis in many locations, and is unique in the genus for producing salmon to yellow chasmogamous flowers as well as minute whitish cleistogamous flowers.
Development of cleistogamous and chasmogamous flowers in Lamium amplexicaule (Labiatae)--Example of heteroblastic inflorescence development.
In the enrichment axes of these species, the axillary bud of the leaves develops cleistogamous spikelets that are enclosed in the leaf-sheath (Campbell et al.
Plants dimorphic: a vernal stage with reduced or no leaves and chasmogamous capitula, and an autumnal stage with fully developed leaves and cleistogamous capitula Leibnitzia 38b.
Capitulescences monocephalous, on scapes; capitula heterogamous, disciform or radiate, chasmogamous or cleistogamous, erect or nodding; receptacle epaleate; involucre multiseriate.
Herbs perennial, acaulescent, scapose, with plant dimorphism: a vernal (spring) stage with reduced or no leaves and chasmogamous capitula, and an autumnal (summer and fall) stage with fully developed leaves and cleistogamous capitula.