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Excuse me, is the tree Holly a tree or a shrub?
If Holly should be a tree, it actually refers to the woody Ligustrum lucidum (Ligustrum lucidum/Holly \ Ligustrum lucidum).

For evergreen shrubs or trees, the bark is grayish brown and smooth. The leaves are 8- 12 cm long, leathery and shiny, and they are rare evergreen broad-leaved trees in temperate regions. The trunk is upright or the secondary and tertiary branches extend together, and the branches spread obliquely to form a wide oval crown. It can be planted as a street tree, resistant to pruning and usually used as a hedge. Wood is good and used for joinery. Fruit contains starch, which can be used for making wine and as a tonic. Leaves can treat stomatitis and pharyngitis; Bark grinding can treat burns and so on. Treat rheumatism by soaking rhizome with wine. Ligustrum lucidum likes light, warmth and shade, but it is not afraid of cold. It grows rapidly in slightly acidic soil and can also grow in neutral and slightly alkaline soil. Strong germination and wide adaptability. It has the functions of dust retention and smoke resistance, can absorb sulfur dioxide, and is suitable for factories, mines and urban greening. It is one of the rare evergreen broad-leaved trees in the north.

Flowers bisexual, panicles terminal. Flowering in July, fruit ripening 10- 1 1. Berries are oval, purple and black, and seeds are obovate. When the fruit is ripe, it won't fall by itself. You can cut the ear with pruning shears, stroke the ear, soak it in water, rub off the peel and cool it a little. The 1000-grain weight of Ligustrum lucidum seeds is about 36 grams, with 27,000 seeds per kilogram, and the germination rate is 50-70%. Seeds mixed with sand can be stored wet at low temperature or stored in slurry at low temperature.