Latin name ulmus gaussenii cheng Chinese name Yu Drunkard La Dingke name ulmaceae Chinese family name Ulmaceae Protection Level 3 Distribution of Anhui (lang Asan) Status of the endangered species. Yu, also known as hair, narrow distribution, only found in Anhui Langya nearly 10 hectares of hill range. Currently more than 30 trees remaining strains, mostly older plants, seedlings, saplings under the canopy or shrub in the wilderness among the poor growth, stem form bending, lateral branches will occur, or often a result of years and grow into clusters firewood collected like, there are on the brink of extinction risk. Lower altitude (meters) Maximum altitude (m) 100 Yu distribution properties belonged to the eastern Anhui Drunkard hills southeast monsoon in summer by the Pacific Ocean, water, hot conditions were better, but the north Huang-Huai plain, flat, cold northern winter, easy to attack the event. Annual average temperature of 15.2 ℃, 23.8 ℃ extreme minimum temperature of a 1045.4 mm average annual precipitation, relative humidity 75%, frost-free period 215 days, the community around the thick layer of limestone outcrops more top shades, lots of local product affected by the slope, soil a thick layer of organic matter content of more, well-structured. The soil was slightly acidic to neutral reaction. Positive species, tall and straight trunk, root system, often in rock crevices in the twine, and more growth on both sides of the limestone slopes and Gully. Common associated tree species are Pteroceltis pteroceltis tatarinowii maxim. , Hackberry celtis tetrandra subsp. sinensis (pers.) y. c. tang, Quercus quercus bariabilis bi. , Koelreuteria koelreuteria paniculata laxm. , Of Hong platycarya strobiliacea sieb. et zucc. , Coins tree paliurus hemsleyanus rehd. , Dalbergia dalbergia hupeana hance and so on. March flowering April to late May early fruit ripening. Conservation value species endemic to China, on Ulmus classification and germplasm storage of some significance. Straight trunk, solid wood, for the JAC, Huaibei limestone hills and mountains of excellent, good tree species. Protection of Anhui Langya mountain origin, has been designated as scenic reserve, in addition to strengthening the protection of the mother trees outside, should actively promote the natural regeneration, and make seed, nursery and reforestation work, expand its distribution area. Introduction and cultivation of major botanical gardens to East. Planting the seed points, 4 short life - May Samara mature in time for harvest, then planting. The average high year seedlings by 50 cm, the second year Chupu colonization. Often leaves young trees by Pseudomonas beetle (anomala cupreahope) and young green slug (parasa sinica) hazards should be prevention and treatment.
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Flowers encyclopedia
Yu introduced Drunkard Tippler elm (Ulmus gaussenii cheng) Families and genera: Ulmaceae Alias: Mao Yu Characteristics: Deciduous trees, 25 meters, diameter 80 cm diameter; bark dark brown, longitudinal; branchlets dark brown or dark gray, densely pubescent, often with a thick cork on both sides of wings. Leaves alternate, oblong obovate, elliptic or obovate, 2.5-11 cm wide, 1.8-5.5 cm, apex acute or short acuminate, base side with wide, wedge-shaped, often with a single jagged edge, in case of re-toothed, both sides densely hard, rough above, lateral veins 8-12 pairs; petiole 4-8 mm long, densely pubescent. Leaves, flowers open, raw old branches last year, axillary, clustered into like cyme, with short stems, flowers bell-shaped, densely rusty hair. Samara round or nearly round. 2.2-2.7 cm long, pubescent, apex closed short of stone in the middle. Distribution and habits: Chuxian tippler only distributed in the vicinity of Anhui, was born in the foothills below the altitude of 100 meters or Gully near deciduous forest. Propagation and cultivation: Seed life is short, 4-May Samara mature in time for harvest, then planting. The average high year seedlings by 50 cm, the second year Chupu value. Often leaves young trees by Pseudomonas beetle (anomalacupreahope) and young green thorn (parasaasinica) hazards should be prevention and treatment. Application: Species endemic to China, on Ulmus classification and germplasm storage of some significance. Straight trunk, solid wood, for the JAC, Huaibei fine limestone hills mountain tree species. Photo: