Can. Don't go eating your shoes if you don't have to. From Survival Goods.
HOUSE PLANTS
The lowly house plant, that oft neglected outpost of nature’s kingdom, can usually be found in even the grimmest of human habitations. The most common house plant in the western world is the Yucca, a fortunate occurrence as its root is a Central American delicacy. It can be cooked like a potato,
