trimorphism
noun
the occurrence of three forms distinct in structure, coloration, etc., among animals of the same species.
trimorphic
-
a word derived from
trimorphism.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
So that these plants might fairly be compared with the long-styled form of a heterostyled species; and I at first thought that O. acetosella was trimorphic.
From The Different Forms of Flowers on Plants of the Same Species by Charles Darwin
His own land is covered with the short-styled form of a white-flowered trimorphic species, and this is equally sterile; but when the three forms were planted near together in his garden they seeded freely.
From The Different Forms of Flowers on Plants of the Same Species by Charles Darwin
Some facts communicated to me by Fritz Muller afford excellent evidence of the utter sterility of one of the forms of certain trimorphic species of Oxalis, when growing isolated.
From The Different Forms of Flowers on Plants of the Same Species by Charles Darwin
Therefore with trimorphic species six of the eighteen unions yield legitimate offspring, and twelve yield illegitimate offspring.
From The Different Forms of Flowers on Plants of the Same Species by Charles Darwin
If they did not do so, the three closely connected genera of the Menyantheae and the several trimorphic species of Oxalis must have inherited their structure from a common progenitor.
From The Different Forms of Flowers on Plants of the Same Species by Charles Darwin
