The plant is 35 cm tall, with a spread of 30 cm. the leaves are shorter and softer, 25 cm long, greenish, with less wax powder. Onion white (pseudostem) 10 cm long, cross diameter 1.5 cm, the base of the formation of small bulbs, fusiform, scale coat purple-red, flesh light purple-white.
The difference between red onion heads and ordinary onion heads is that red onion heads have a greater flavor, and onion heads have a heavier sweet and spicy flavor.
Red onion head is very common in Guangdong and Southeast Asia, the shape is somewhat similar to a mini onion, usually a multi-head, the outer skin is orange dry thin coat, the inner lavender, pleasant aroma, slightly spicy. Not only can red onions be used to make scallion chicken, they can also be used to make fried onion crisps, in which the red onions are chopped and deep-fried in warm oil until golden and crispy, then left to cool. Local people like to use them to mix with boiled rice or various kinds of noodles, which is very tasty. In addition, the dried onion can also be used to make dishes such as pot, dry pot, etc. The whole explosion of incense, and then add other ingredients, so that the dishes have a stronger aroma.