The Romulan Cotton Candy Cannabis Strain Classified as an indica-dominant strain, the Romulan cotton candy Cannabis strain is a popular strain, and for many reasons. In getting this strain, one of the factors that you have to remember is that the parent lineage of a given strain has the capacity to heavily influence the traits that the plants exhibit at later stages. In this respect, the parent plants of this strain are the Romulan and the cotton candy. It certainly does not take rocket ...