Apple (Apple? The mill. ), deciduous trees, usually as high as 15 meters, but cultivated trees are generally only about 3-5 meters high. The trunk is grayish brown, and the bark has fallen off to some extent. The flowering period of apple trees depends on the local climate, but it is generally concentrated in April-May. Apple is a cross-pollinated plant, and most varieties cannot bear fruit by themselves.
Generally, after the apple is planted, it begins to bear fruit in 2-3 years. Fruit is generally red, but it depends on the variety. The fruit of apple tree is rich in minerals and vitamins and is one of the most commonly eaten fruits. The length of fruit growth period is generally 65-87 days for early-maturing varieties, 90- 133 days for middle-maturing varieties and 137- 168 days for late-maturing varieties. Generally speaking, the life span of planted apples can reach 15-50 years.
Apple trees are trees, the height of which can reach15m, and most of them have round crowns and short trunks. Branchlets are short and thick, cylindrical, densely villous when young, and old branches are purple-brown and hairless; Winter buds ovate, apex obtuse, densely pubescent.
Leaf blade oval, ovoid to wide oval, 4.5-10cm long and 3-5.5cm wide, with sharp apex, wide wedge-shaped or round base, rounded serrations at the edge, pubescent on both sides when young, and hairless at the top when growing up; Petiole stout, about 65438 0.5-3 cm long, pubescent; Stipules herbaceous, lanceolate, apex acuminate, entire, densely pubescent, caducous.