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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 ?
Normally, chasmogamous flowers are few in comparison to the self-fertile, closed cleistogamous flowers.
In groundnut, heterosis cannot be exploited for higher production through commercial hybrids due to cleistogamous nature of flower and poor seed recovery during hybridization.
Self-incompatibility is common across the family, but some herbs and smaller-flowered species can show self-pollination and cleistogamous flowers (Herrera, 1992; Talavera et al, 1993, 1997; Rodriguez-Perez, 2005; Aragon & Escudero, 2008; Guzman et al.
5 mm wide, ovate, deciduous in fruit; pedicel 3-7 mm long, shorter in flowers, elongating as fruits mature; cleistogamous flowers not found.
Life history trade-offs in Amphibromus scabrivalvis (Poaceae): Allocation to clonal growth storage, and cleistogamous reproduction.
Beans are among the easiest of plants from which to save seed; this is in part due to their cleistogamous flowers--flowers that aren't readily open to pollinators such as bees.
Breeding biologies of papilionoid legumes are diverse, ranging from cleistogamous to obligately xenogamous (Kalin Arroyo, 1981).
It was eventually discovered that these closed flowers were not cleistogamous but rather cross-pollinated by insects that penetrate the floral tissue (Gilmartin & Brown 1985).
Thus, cleistogamous plants should have a low P:O ratio and self-pollinating plants should have a lower P:O ratio than cross pollinating plants; in this way the P:O ratio is correlated with the reproductive system of the plant (Cruden, 1977).
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).