Study On Classification And Practice In Garden Of Sect. Camellia Plants Of Genus Camellia In Hunan

There w~ some shaiply different opn駉ns on the classification of Sect. Camellia plants of Genus CamelliaAt present, according to depmlmert of H. T. Zhang , there are 57 species hi the world, and 55 species in Cltina There are 13 species, I subspecies in Himan, and 6 species only distributed in Hiinan According to collected data, based on a lot of field investigation and experiments~ die classification and the value of Sect Camellia plants of Genus Camellia practice in garden is discussed in this paper, and 鐁ovicfrs evidaiee for exploitation ultilifzaticm. 1. The species of Sect. Camellia plants of Genus Caniellia are rich in Hunan. There are 13 species I subspecies in Hwian, it takes about 23.6% of total species of China. Their rank is second, only anRflged behind Sichuan. 2.抐lie anatomy of leaves of II species 1 subspecies were observed by light niiatiscopy among the Sect. Cainellia plants of Genus Camellia in Himan~ the results reveal: there are differences disinhjtion of stone cell hi die mescphyll , palisade tissue ,arKl spongy tissue, die anatomy of leaves can be regard as one of evidence in the taxonon抲c. There is little different in die wood morphological 3.Comperalively speaking, the system of H T. Zhang could reflect the devek~ang rule of Genus Camellia 4Tlie geographic distnlution shows the Nanling mountain and the Wubng mcxmtain are die center of distnl,uticm of Sect. Cameflia plants of Genus Camellia in Hunan 5.Acccrding to analysis die ornamental character, the ecology benefit and the ecotxxmc value, author ccrisid~s there is a wide prospects in gardening practices of the Sect. Camellia plants of Genus Camellia in Himan, and it ought to be widen application and dissemination; the practices of Sect. Camellia of Genus Camellia in Hunan in garden is discussed in this paper; and some prvportrcms are pmvred: (l)It must be thorough investigated die plants of Sect. Caniellia in Himan ,tlie resowees should be completely used, (2) the scientific and systematic study of lxeedmg must be stmigtben, new species ~e selected and were accepted by market, (3)ornamental plantation of Carnelba should be established, so as to better protect and use them 6.1bere is strong cold resistance, mining resistance, sunshine resistance and dry resistance in some plants of Sect. Caniellia plants of Genus Camellia in lkuwi, they are good parent in crossbreeding, it also should be strurgtlwied to develop and applicate...