A most interesting plant! Called the Sangre de Cristo (Spanish for "Blood of Christ"), the roots contain a red dye, and the clear sap is said to be able to seal wounds Amazon.com : Italian Roma Tomato Seeds 25+ Heirloom Non GMO Seeds by Isla's Garden Seeds, Rich & Meaty, High Yield Variety, Perfect for Sauces & Canning, Easy to Grow, Great for Home Gardens : How Do Plants Make Their Own Food? How to Plant and Grow Butternut Squash Gardener's Path