pelorismn.
/ˈpɛlərɪz(ə)m/, U.S. /ˈpɛləˌrɪz(ə)m/ Botany.
The formation of peloric flowers; peloria.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > peloria or unusual regularity of structure
peloria1785
pelorization1849
pelorism1868
1868 C. Darwin Variation Animals & Plants II. xiii. 58 Pelorism is not due to mere chance variability, but either to an arrest of development or to reversion.
1922 Biometrika 14 103 Pelorism in the foxglove may be regarded as an abnormal lack of power to produce internodes between the flower-buds.
1990 Science 16 Nov. 932/1 A mechanism..that produces a flower at a terminal position will condition radial symmetry of this flower. Both contribute to either conditional or heritable pelorism in nature.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
<
n.1868