Red onion also known as fire onion has a stronger flavor than onion, and it's usually what people use to make sauces or seasonings.

Red onion is different, it is not only the spicy flavor persistent, and once you eat it will be spicy tears, even if it is only a bite will be spicy. But it is this spicy red onion is more suitable for frying meat, the taste is onion can not be compared.

Fire onions are perennial herbs in the lily family, genus Allium, with plants up to 44 centimeters tall. Bulbs are aggregated, rectangular-ovate, narrowly ovate or ovate- terete. The outer skin of the bulbs is reddish-brown, purplish-red, yellowish-red to yellowish-white, and does not break. The leaf blade is hollow and cylindrical, dark green, slightly whitish. It is capable of flowering and fruiting under wild conditions.