Botanical name: Green stem (leaf spruce), also known as purple wood tree (Foping, Shaanxi)

Latin name Picea wilsonii

Other names: Leather pine, square Pinus spruce (Gymnosperm Flora of China), Picea spruce (Illustrated Chronicle of Woody Plants in Northeast China), Picea spruce (Economic Plant Handbook), Picea spruce (Research Materials on Gymnosperms in Northeast China), Scutellaria spruce (Foping, Shaanxi Province) ), red sweater (Shennongjia, Hubei), thorn pine, black pine (Hebei), white pine (Donngling, Hebei)

English name Wilson Spruce

Chinese name Pinaceae

The Latin name of the family is Pinaceae

The Chinese name is Picea.

The Latin name is Picea

The origin and distribution are endemic to my country. , produced in Inner Mongolia (Duolun, Daqingshan), Hebei (Xiaowuhe Mountain, Wuling Mountain, 1400-2100 meters above sea level), Shanxi (Wutai Mountain, Guanchuan Mountain, Guandi Mountain, Huoshan Mountain, 1700-2300 meters above sea level), southern Shaanxi , the altitude of western Hubei is 1600-2200 meters, the altitude of Tanghe and Bailongjiang River Basins in central and southern Gansu is 2200-2600 meters, the altitude of eastern Qinghai is 2700 meters, and the altitude of northeastern Sichuan and the upper reaches of the Juijiang River Basin in the north is 2400-2800 meters.

Population status

Habitat characteristics: Optimum slightly acidic soil. Cold-resistant, smoke-resistant, fast growing. Shallow-rooted, afraid of flooding.

Associated communities often form simple forests or mixed forests with other coniferous and broad-leaved tree species.

Morphological characteristics: Gray-blue needles, dense branches and leaves, evergreen trees up to 35 meters high. The branchlets are light grayish yellow to light brownish yellow, smooth and hairless when young, and later turn to gray or dark gray. The buds are oval, yellowish brown, without resin, and the bud scales are closely arranged.

◆Roots

◆Crown tower-shaped

◆Leaves are linear, thin and short, quadrangular in cross section, about 0.8-1.4 cm long. There are stomata on each side.

The winter buds are small, 5 mm long, with smooth tooth scales and no longitudinal ridges. The persistent bud scales at the base of the branch are close to the branch. Not recursive. The leaves have leaf pillows, which are nail-shaped. The leaves are quadrangular and strip-shaped, thin, less than 1mm wide, and slightly covered with white powder. Seed scales are smooth.

◆Flowers

◆Fruit cones are drooping, oval, about 5 cm long; seed scales are obovate, 1.4-1.7 cm long, 1.1-1.5 cm wide, arranged slightly tightly. The apex is rounded or obtusely triangular, with entire or slightly irregular teeth. The seeds are 3-4 mm long, and the wings are 1.2-1.5 cm long. Fruit ripens in October.