Traditional Culture Encyclopedia - Photography major - What is this willow?
What is this willow?
Dry land willow
Scientific name: Salix Salix shape: Salix of Salicaceae. Deciduous tree with dark gray bark. Simple leaves alternate, lanceolate, gray-white back. Dioecious, catkin. Capsule, seeds with seed hairs. Distribution: China, Korea, Japan and other places. Beijing is widely planted in urban and rural areas. Uses: Shelterbelt and greening tree species, and can also be used as timber tree species.
pillow
weeping willow
English name: Babylonian weeping willow, weeping willow family name: Salicaceae Populus alias: weeping willow, weeping willow, upside-down willow, willow, Qingming willow, willow, weak willow; Morphological characteristics: deciduous trees, slender branchlets, drooping, lavender green or brownish green, hairless or hairy when young. Leaves narrowly lanceolate or linearly lanceolate, tapering at the top, cuneate at the base, sometimes oblique, serrated at the edge, glabrous or pilose when young, with white back; Petiole 6- 12 mm long, pubescent. Inflorescence axis pubescent; Male inflorescence 2-4 cm long, bracts oblong, abaxially densely pilose, 2 stamens, slightly hairy base and 2 glands; The female inflorescence is 1.5-2.5cm long, the female flower gland is 1, the ovary is hairless and the stigma is 4-lobed. Capsule yellow-brown, 3-4 mm long. Flowers bloom in April. Ecological habit: pruning can be done after defoliation in winter. Drought-resistant, water-resistant and moisture-resistant, it is a wet-born positive tree species. I like to be born in wetlands on both sides of the river bank, and I won't die if I am flooded for a short time. High dry land and calcareous soil can also adapt. Germination early, defoliation late, growth fast, but not as cold-resistant as Salix matsudana. Short life span, aging gradually after 30 years. Propagation and cultivation: Cutting propagation is often used to maintain the excellent characteristics of the mother tree. Cutting propagation is the main method, and sowing can also be used to raise seedlings. Cuttings are carried out in early spring. Select excellent plants with fast growth and few pests and diseases as cutting mother trees. Before germination, 2-3-year-old branches were cut and cut into cuttings with the length of 15- 17 cm. The row spacing of cuttings is 20× 30cm. After cuttings, the seedlings are fully watered, the soil is often kept moist, the buds are wiped out in time to weed, and the top dressing is 3 ~ 4 times after rooting, so the seedlings are vulnerable to weevils, aphids and willow beetles. Sowing and seedling-raising seeds are harvested in April and sown at the time of collection. The 1000-grain weight is 0.4 g, the germination rate is 70-80%, the sowing amount per mu is about 0.25 kg, and the seedling height in that year is 80- 100 cm. Transplanting should be done after defoliation in winter and before bud germination in early spring of the following year. After planting, fully water and erect pillars. Pests and diseases: Anoplophora glabripennis and Anoplophora glabripennis eat branches, while giant salamander, thorn moth, beetle, grasshopper harm branches and leaves. During the damage period from April to June, 800 times of trichlorfon or 1000 times of phoxim can be sprayed on the leaf beetle. There is also a kind of green-tailed silkworm moth, which is harmful to leaves and prevents snow willow. Ornamental features and garden uses: swaying posture, beautiful and natural, suitable for planting by the lake beside the pool. If peach blossoms are planted occasionally, the green silk is graceful and the red branches are in full bloom, especially in the spring scenery of China Jiangnan Gardens. Strong adaptability, beautiful tree shape, mostly used as landscaping tree species. The resistance to sulfur dioxide and chlorine gas is weak, and leaves and dead branches appear after the injury, which is not suitable for planting in air pollution areas. Bark contains tannin; The material is worse than willow, which can be used as utensils and paper raw materials; Catkin can fill chair cushions and pillows; Branches and fibrous roots can dispel wind and remove dampness. There is a cloud in the poem: the willow is dark and the flowers are bright. It shows that willow is extremely easy to survive. The fiber of willow bark can be used as raw material for textile and rope making; Branches can be woven into baskets, baskets, crates and helmets. Wood is white and tough. Can be used as small farm tools, small household appliances and charcoal burning.
Steamed bread willow
Scientific name: Salix matsudana. Salix of Salicaceae. Deciduous trees with dense branches, broad crown, oval shape and steamed bread shape. Simple leaves alternate and lanceolate. Dioecious, catkin. Distribution: Common in roads and parks in Beijing. Cold tolerance, drought tolerance. Uses: Ornamental tree species, greening.
Dragon claw willow
Scientific name: Salix matsudana. var。 Tortuosa (Vilm。 )Rehd。 Shape: willow variety. Salix of Salicaceae. Deciduous trees with curly branches. Simple leaves alternate and lanceolate. Monoecious, catkin inflorescence. Capsule distribution: common cultivation in Beijing parks. Uses: Ornamental tree species, greening.
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