The crossword solution for the term 'Petunia Portion' is 'PETAL, ' which is a five-letter word. Petunias are a type of flowering plant that is part of the Solanaceae family, which also includes tomatoes, potatoes, and peppers. The PETAL is the part of the flower that is often brightly colored and helps attract pollinators. A portion is a part or share of something, so a petunia portion would be a part or share of petunias.