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《Journal of Anhui Agricultural Sciences》 2009-09
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New Geological Distribution of Orchidaceae Plants in Guizhou Province

JIANG Yun-li et al (Guizhou Academy of Forest Sciences,Guiyang,Guizhou 550005)  
[Objective] The purpose was to study the newest geological distribution of orchidaceae plants in Guizhou Province.[Method] Through investigating the germ resources of orchidaceae plants in Guizhou Province and referring to relative data,one orchidaceae species,which had not been written into literatures,was found to distribute in Guizhou Province.[Result] The major morphological characters of Changnienis amoena were as follows: its pseudobulb was oval shape and light yellow;it had one wide-egg oval-shape leaf with purplish red on the back;the length of its leafstalk was 4.2-4.8 cm;it had one purple flower with pedicle length of 10.5 cm;it had 2 membrane sheath;the length of its pedicle and ovary was 8.6 cm;its petals were inverted-egg lanceolate;its side lobe was vertical and egg-triangle.It mainly grew on the soil rich in humus under woods and in the shady place in valley at elevation of 400-1 100(-1 800 m).It mainly distributed in the southwest of Jiangsu,Anhui,the west of Zhejiang,Hubei,Hunan,the southern of Sichuan and Shaanxi.[Conclusion] The newly found orchidaceae plant was C.amoena,it was Chinese peculiar monotypic genera plant.
【Fund】: 贵州省科技基金项目[黔科合J字(2006)2037号];; 贵州省农业攻关项目(黔科合NY字20073029号);; 贵州省科技基础条件平台项目(20064005号);; 贵州省林业厅项目(黔林计复2003145号);; 贵州省农业攻关项目(黔科合NY字 20063062号)
【CateGory Index】: S682.31
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