The hollow stems and solid leaf stalks of this plant are edible, once peeled to remove the skin. The term saaqw’ seems to refer to the entire plant of cow-parsnip. Cow-parsnip stems and leaf stalks are edible when peeled. They must be peeled before they are eaten to remove the outer skin, which can cause skin irritation upon contact with bare, moist skin in the presence of sunlight. The term yaala applies to the edible portion of cow-parsnips, possibly both the stems and the leaf stalks.