tricolpate adjective 1noun 1forms 1 adjective1 •Having three grooves, or colpi, on each grain.The pollen grains are tricolpate to tricolporoidate.Tricolpate pollen, the signature of eudicots, first appears ca. 110 million years ago. noun1 •A plant with tricolpate (three-grooved) pollen, including any dicot. formstricolpates
