Finger orange, its fruit looks like sweet potato, and like a full sausage, but the size of the human finger is only the size of the finger, the "finger orange" name comes from this. Under the plain skin of the finger orange, there are many caviar-sized particles of flesh. One grain shines with a crystal luster. It looks like caviar. Therefore, the finger oranges enjoy the caviar from the forest. Reputation. In addition, the finger orange has another name - "finger lemon", which is derived from the unique taste and aroma of the finger orange: the mature finger orange skin will give off a lemon-like scent, while the flesh The acidity is even worse than that of lemon.
The finger orange is a genus of the genus Citrus, and the plant is short. The average height of the 11-year-old tree is 1 meter, the lowest is 0.36 meters, and the average crown is 0.63 meters × 0.63 meters. The crown is tight, the branches are densely detailed, with small hairs, the tender leaves are purple-red, the spines are small and small, the leaves are small, 0.87 cm long and 0.5 cm wide. Flowering many times a year, flower buds are small, white, slightly purple-red, petals white, 3 petals, flower diameter 1-2 cm, apex outward when in full bloom. The peel is light yellow and the oil on the surface is dense. The seeds are small, about 30 capsules, the outer seed coat is yellowish white, the inner seed coat is lavender, the purple is combined, the cotyledons are pale green, the endosperm is white, and the single embryo.
Finger oranges are native to eastern Australia and southeastern New Guinea, and are concentrated in a small part of northern New South Wales and southern Queensland rainforest. A few countries, such as France, the United States, and Japan, introduced finger oranges into plantations for cultivation. The Chinese delegation to the United States was first introduced from the United States in 1977. Sowing in the spring of 1978, carefully cultivated over the years. Sexually warm climate, not cold, less than 10 °C poor growth, easy to cause leaves.
Finger oranges are excellent materials for potted plants. It can be used as a citrus hybrid parent to breed new varieties. The fruit can be made into sugar cans. The flesh can also be processed into sauces and vinegar. It is also used in the manufacture of vodka and gin. Finger oranges are also rich in citric acid and vitamin C. After rubbing the fingers orange into a sticky body, rub the face every day, which can effectively remove acne and spots, and keep the skin white and delicate. Finger oranges also have a certain medicinal value, and have therapeutic effects on people with weaker gastrointestinal functions. However, although the finger oranges have a lot of benefits for the human body, excessive consumption can cause damage to the liver and cause fever and other symptoms.