This is not surprising owing to the fact that they belong to the same plant family (Umbelliferae). (whfoods.org)
Watermelon and cucumbers are from the same plant family. (kneadtocook.com)
Quinoa is a perfect food to include on a gluten - free diet, since it not only lacks gluten but doesn't even belong to the same plant family as wheat, oats, barley, or rye. (whfoods.com)