Alias: Paulownia Section name: Scrophulariaceae Ecological habits: Positive, warm and cool climate. Not cold, fast-growing. Strong positive species, not shade. The root is nearly fleshy and has a wide distribution. There are two floors above and below. Should not grow in the viscous heavy soil, like loose loose, well-drained soil, not resistant to waterlogging. Sprouting power, sprouting force are strong, and rapid growth. The resistance to toxic gases and the ability to absorb dust are strong. Origin distribution: The provinces south of the Yangtze River basin, from east Jiangsu, Zhejiang, Taiwan, southwest to Sichuan, Yunnan, south to Guangdong, Guangxi; the east at an elevation of 120 ~ 240m, southwest to 2000m. Shandong, Henan and Shaanxi are all introduced and cultivated. Vietnam, Laos also have. Morphological characteristics: Deciduous trees, up to 27 meters high, wide crown, wide oval or round. The bark is gray-brown, smooth, with raised lenticels, and longitudinally when old. Branchlets stout, hollow, densely covered with white fluff when young, gradually falling off. Leaves opposite, sometimes with three impellers. Leaves large, ovate or oblong-ovate, base cordate, grayish white hairs densely covered by leaves, entire or slightly undulate. Conical cymes, large, flowering from March to April. The corolla is milky white with purple spots and aroma. Capsicum longans have sharp, large, fruit ripening period from September to October, the seeds are small and thin, with wings. Commonly cultivated is P.tomentosa, also known as paulownia. Leaf broadly ovate, entire or trifidulate, leaf surface hairy, white hairs densely dendritic in leaves. The inflorescence has a distinct stem, the corolla is pale purple and blue, and the tube has yellow stripes and linear purple spots. Use characteristics: White paulownia (introduced to Australia) belongs to the genus Paulownia of the Scrophulariaceae family. It has good material quality, wide use and high economic value. The growth rate is fast, which is equivalent to 4 times that of other trees. After the harvest of the wood, the sprouts can be regenerated from the stumps into renewed trees; the wood is firm, no cavity, no chapped, no scab, and fragrant and fragrant. White paulownia wood is easy to process and light in weight. It is an ideal wood for rolling into a circle and is easy to color. It is suitable for commercial decoration of shops, offices, restaurants, etc. It is ideal for internal and external use. The paulownia tree crown is broad, and the leaves are thick and dense. The flowers that are placed on the first leaves are colorful and full of trees and white flowers. It seems that the paulownia trees are suitable for Tingyin trees and street trees. It is also a good tree species for plantation. Growth rate: 1.5 months after planting - 0.5 meter high; 2.5 months after planting - 1.6 meters high; 3.5 months after planting - 3.0 meters high; 4.5 months after planting - 5.0 meters high; 5.5 months after planting - 6.5 m; 6.5 months after planting - 8 meters high. White paulownia belongs to the fast-growing species and can be grown in one year and can be grown in four years. At present, there are fewer domestic introductions, large-scale breeding has not yet been formed, economic benefits are considerable, and market development has great potential. Black Sweet Potato (Japanese Chuanshan Purple) Black Sweet Potato (Chuanshan Purple): Introduced from Japan in 1998, the medium vines, purple and black potato skin, purple and black potatoes, bright, delicate taste good taste, high nutritional content, anti-cancer substances selenium content 200 times higher than the average sweet potato, with anti-cancer, blood pressure and make up Calcium and other significant effects. Strong resistance to stubble, uniform potato, spring potato generally yield about 3,000 kilograms per mu, summer potato yield 2000 --- 3000 kilograms. Aluminum Extrusions For Room,Purification Aluminum Profil,Aluminum Extrusion Profile,Aluminum Extrusion Profile For Clean Room Wuxi Kanghe Medical Consulting Co., Ltd. , https://www.jskanghe.com
Category:Arbor