江西马头山自然保护区攀缘植物区系研究

Studies on the flora of climbing plants in Ma-toushan Nature Reserve in Jiangxi Province

马头山自然保护区位于江西省东部资溪县的马头山林场内,地理坐标为117°08’52”～117°18’00”E, 27°40’43”～27°53’52”N,总面积为21 570 hm2,有丰富的野生攀缘植物资源。通过野外采集及标本的整理鉴 定,初步确认该区共有攀缘植物40科92属222种(包括种下等级)。根据对马头山攀缘植物区系分析的结 果,指出本区攀缘植物区系具有以下特征:(1)种类组成丰富,地理成分复杂;(2)区系中热带性地理成分占主 导地位;(3)区系成分相对古老,特有类群丰富,多型性突出;(4)华东区系特征明显,南北区系过渡。

The Matoushan Nature Reserve is located in Matoushan Forest Site,which is located in the east of Jiangxi Province,between the longitude 117°08′52″～117°18′00″ E and latitude 27°40′43″～27°53′52″ N with an area of 21570hm^2. It is rich in the resources of wild climbing plants. The paper aims at analyzing the flora of climbing plants in the Matoushan Nature Reserve by means of investigating in the wild field and looking up and arranging and identificating the specimens from several related specimen room. The results obtained are as follows：There are 40 families 92 genera 222 species and varieties of climbing plants existed in the Matoushan Nature Reserves Flora of climbing plants in the Matoushan Nature Reserve has the features of richness in species, complexity in floristic elements, diversity in types, transition and archaism of the flora, characteristics of east China flora and so on.