Bilaterally symmetrical. Used of organisms or parts. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "zygomorphic" in a sentence
"Freesias are zygomorphic, meaning that they grow along only the side of the stem."
"[Wikipedia. com] Freesias are zygomorphic, meaning that they grow along only the side of the stem."
"From these experiments, as well as from very numerous studies on the structure of the flower with reference to insect aid in fertilization, we are justified in the conclusion that all bright-colored flowers are, to a great extent, dependent upon insect aid for transferring the pollen from one flower to another, and that many, especially those with tubular or zygomorphic (bilateral) flowers are perfectly incapable of self-fertilization."