Caladiums are tubers, not corms or bulbs. Cockatoos prefer to eat seeds, tubers, corms, fruit, flowers and insects. Other storage organs may be tubers or corms, swollen axes. They are omnivorous, feeding on roots, tubers and rhizomes and a range of soil invertebrates. The tuberose is herbaceous, growing from underground tubers or tuberous roots. The roots of seedlings sometimes form starchy, edible tubers. Ingredients are of native starchy tubers, yams, cocoyams, and cassava. Sustenance included fruit, legumes, millets, sorghum and tubers. Common plant species with stem tubers include potato and yam. Oxalis tuberosa is a perennial herbaceous plant that overwinters as underground stem tubers. Plant reproduce by root tubers and seeds. Cassava tubers and hay are used worldwide as animal feed. Typical examples include tubers and roots, grains, legumes, and seeds. Others store water in succulent leaves or stems or in fleshy tubers. Other plant material includes grasses, sedges and tubers.