It is deciduous shrub or arbor, mature 8-10 meter. It is native to China, widely distributed in Shaanxi, Gansu, Zhejiang, Jiangxi, Fujian, Henan, Hunan, Hubei, Guangdong, Guangxi, Sichuan and Guizhou provinces. It grows in the place with altitude less then 1130 m. It prefers sun light and soil which could drain easily, it can tolerates drought, diseases and insects and coldness, it can endure the temperature of -18¡æ -- -25¡æ. Its bark is white, but the mature stems seldom have barks. Its leave is oval, dark green, 3-9cm length, 1.85-5cm width. It is flowering during May and June; inflorescence is 2-3 cm length, petal 5mm.Its immature fruit appears green and round shape,4-5mm in diameter, the fruits will be mature from September to November.

Guangpishu has remarkable value. It is a fine oil plant. Its flowers can offer good honey, its timbers is hard and straight, can be used as furnitures, carvings , implements for farming, and veneer. It can live for a long time always over 200 years, it is nice looking, anti- disease and insects. It will be blooming in the early summer. It is a good plant for forestation. It also can be planted in the courtyards, along the roadsides, can be used for beautification.

In addition, Guangpishu is a very productive oil arbor, as the study on Guangpishu for bio diesel oil goes further, Guangpishu as a new materials for bio diesel oil will receive more attention. If wanting build up bases for plantation of Ganpishu in short time, it is better to use the technique of efficient and rapid non-tube plant cloning (TERNPC) for nursing the seedlings of Guangpishu. No matter where the place is, no matter what the latitudes is, no matter what is the soil and the weather conditions(even including the condition of extreme temperature low as -35 ¡æ high as 42¡æ) , using TERNPC can ensure the rapid reproduction processing in the whole year during the twelve month, for most of plant species using TERNPC can propagate 6-12 generations. TERNPC will not be influenced by the weather conditions, the propagation can proceed in the whole year, and the number of new generation can increase as geometric series pace. Because TERNPC can start the rapid propagation whenever and wherever needed, TERNPC remedy the shortage of application for plant rapid propagation, which is always restricted by seasons and place. Using clone one can get lots of new plant has the same features as the mother unit with low costs in a short time. TERNPC, which was invented by professor Li changxiao, has unique advantages: the seedlings will burgeon and root early, reproduction efficiency is high, will not be influenced by the weather or soil conditions, can be planted in the field in large scale within one year. TERNPC will bring remarkable benefits to enterprises or persons who use it. It is the accelerator for the bio diesel oil industry and green environment protection industry.

Develop Guangpishu industry, is good for ecological and economic construction. Guangpishu fruit early and have a high productivity, the 2-3 year old tree will begin fruiting, the weight of one thousand of its fruit is about 70 gram, and the oil containing rate of its fruit is 33%-36%. The flourishing fruiting period of Guangpishu is after 12 years, every single tree can get fruits about 15 kilogram, with the proper condition the single tree can grow over 52 kilogram fruits. For the common condition, every tree can produce 5-10 kilogram fruits. If one acre plant 3600 units, can get 1800-3600 kilogram fruits, can produce 252-488 kilogram oil. It is researched that the oil produced from Guangpishu is almost the same as No.0 diesel oil from petroleum, Bio diesel oil from Guangpishu is safety, clean. It has two main features, first, fruits of Guanpishu contain oleic acid and sub oleic acid over 77.68% (38.3 of oleic acid and 38.85 of sub oleic acid), the oil form it have good features both physically and chemically; Second the fruits can be used to produce oil directly (by squeezing or dipping), with low cost and high acquiring rate of oil. In addition, the fruits after producing oil can be used for feedstuff or fertilizer; it is good for both aquaculture and stockbreeding, fully improving the development for forestation, agriculture, and stockbreeding. It is said by officials that China will give special conditions for the Guangpishu planting and producing bio diesel oil, such as subsidy or favorable tax policy. These will promote the development of bio diesel oil from Guangpishu industry.
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