Hello, I've read in an old Greek book that Arum maculatum was somewhen used to eliminate polyps and ulcers. It's a rare and extremely poisonus plant with underground bulbs. I keep it in mind, because an old man here in my area has cured his internal hemorroids with the seeds of this plant(2 yrs ago). In your case the book says the bulb is used, but only dried (the fresh bulb is poisonus).I have UC but don't have still used it. other name of this plant is Arum vulgare. You can find some photos of the plant if you search in the Google. I think there are everywhere people to make those bulb juices.