Unknown about fire, this is a mixed citrus variety under the citrus genus of the Rutaceae family. I don't know if the fire tree has moderate or weak vigor, but is relatively upright; The branches are hard, dense, thin and short, with small thorns; Almost all of them are single flowers with low pollen content, and most of them are malformed flowers. The rate of no drupe is high, and the fruit is pear shaped or high flattened round. The fruit is large and often has a short neck at the stem; The fruit surface is orange yellow or orange, and the skin is rough, moderately thick, and easy to peel off; The flesh is crispy, tender, and juicy, with thin and crispy walls and high sugar and acid content. Mature from February to March of the following year.