monosyˈmmetrical, a. Bot.
[f. mono- + symmetrical.]
Of flowers, fruits, etc.: Divisible into exactly similar halves in one plane only.
| 1875 Bennett & Dyer Sachs' Bot. 184 A shoot with alternating leaves in two rows is also simply bilateral without being monosymmetrical. Ibid. 533 The happy expression zygomorphic already used by Braun may be applied equally to monosymmetrical flowers. 1898 tr. Strasburger's Text-bk. Bot. (1903) 16 When..a division into two similar halves is only possible in one plane, the degree of symmetry is indicated by the terms simply symmetrical, monosymmetrical, or zygomorphic. |
Hence monosyˈmmetrically adv.
| 1875 [see polysymmetrically]. |