Iodine is a chemical element with symbol I and atomic number 53. The heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at a standard conditions that sublimes readily to form a violet gas. The elemental form was discovered by the French chemist Bernard Courtois in 1811.
Definition of CHOLLA. : any of numerous shrubby opuntias chiefly of the southwestern United States and Mexico that have needlelike spines partly enclosed in a papery sheath and cylindrical joints âcalled also cholla cactus.
Cactus Pads-also called: Nopalitos and Cactus Leaves. All opuntia species are edible (non-toxic) but some species are easier to use than others. Two parts of the plant are edible, the pads (nopalitos) and the pear (tuna).The pads are vegetable and the pear is fruit. The State of Texas named the prickly pear cactus as the state fruit/vegetable in 1995. Prickly pears are fruit from the prickly pear cactus (Opuntia sp.) and may range in color from yellow-green to deep purple-red and in colour in size from that of an apricot to 6-inches long. For this reason, there is no accurate way of judging how many pears it may take to obtain a given amount.