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Existing under three forms; marked by trimorphism.
Synonym(s): trimorphic


(trī-môr′fĭk) also


1. Biology Having or occurring in three differing forms.
2. Chemistry Crystallizing in three distinct forms.

tri·mor′phi·cal·ly adv.
tri·mor′phism n.
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References in periodicals archive ?
Capitula with dimorphic or trimorphic florets; when trimorphic, the intermediate florets with corollas bilabiate to filiformbilabiate, as long as the styles or longer; staminodes generally present Gerbera 41b.
For example, species may show dimorphic or trimorphic wood-producing fibers in the juvenile stem, and only vessels and parenchyma develop as vascular cambium matures in older plants, such as Epiphyllum, Hylocereus.