What kind of fruit is the latest yellow skin?

Yellow bark is one of the fruits in southern China, also known as yellow bullet, yellow marble, yellow section, etc., is a small tree plant of the genus Rutaceae, native to southern China, has a history of more than 1500 years in China, and likes a warm, moist and sunny environment. It is not strict with the soil. It is better to plant in loose and fertile loam, and the flowering and fruiting stage in Hainan is 1-2 months earlier.

The yellow bark tree is up to 12 meters high, with many obviously raised fine oil spots and densely covered with short straight hairs on the branchlets, leaf rachis, inflorescence rachis, especially on the dorsal veins of unopened leaflets. Leaves have 5-11 leaflets, leaflets ovate or ovate-elliptic, often one side oblique, 6-14 cm long, 3-6 cm wide, base subrounded or broadly cuneate, asymmetrical on both sides, margin wavy or with shallow crenate teeth, midvein of leaf surface often covered with short fine hairs, petiolule 4-8 mm long.

Yellow panicle terminal, buds globose, calyx lobes broadly ovate, ca. 1 mm, outside pubescent, petals oblong, ca. 5 mm, both surfaces shortly hairy or inner surface glabrous. Ovary densely covered with straight long hairs, disk small, ovary stalk short. The fruit is round, oval or broadly ovate, 1.5 cm long and 1 cm wide, yellowish to dark yellow, covered with fine hairs, milky white pulp, translucent, 1-4 seeds and dark green cotyledons. The flowering period is from April to May and the fruiting period is from July to August.

As a kind of high-quality fruit, its fruit can also be processed into jelly, jam, candied fruit, fruit cake and cool beverage or salt and sugar, so it is known as "the treasure of fruit" in the folk. Leaves and roots contain flavonoid glycosides, alkaloids, coumarins and phenolic compounds. The seed is rich in oil, and the oil yield is as high as 42%, which is an excellent lubricant.

Yellow bark is rich in vitamin C, sugar, organic acid and pectin, peel and core can be used as medicine, it has the effect of eliminating phlegm and regulating qi, it can be used for food accumulation, chest and diaphragm pain, phlegm, cough and asthma, and can relieve heat depression and colic pain. It has the effect of dispelling wind and relieving surface, removing phlegm and qi, and is used to prevent and cure influenza, febrile fever, cough and asthma, watery distension and abdominal pain, malaria, adverse urination, heat scabies and other diseases. The root can cure stomachache and colic.