黄山风景区种子植物区系研究

黄山风景区有种子植物948种，隶属于120科483属，其中裸子植物3科6属6种。植物区系起源古老，孑遗植物、原始类群和中国特有类群丰富；单型或单种的科属众多，占总属数的61．70％；含10种以上的科和含6种以上的属分别占总科数和总属数的21．67％和4．25％，它们构成了黄山风景区的主体。该区植物区系以温带为主，兼有温带和亚热带的双重性质。

Study on Seed Plants of Huangshan Scenic Atea

In huangshan scenic area,there are 948 species, belonging to 483 generas in 120 families,and Gymnosperms in this species belong to 6 species, 6 generas in 6 families. The origins of the flora are ancient and have rich relict plants,primitive groups and endemic groups in China. The flora of huangshan scenic spot are also old and rich in oligotypic families and genera （ 61.70% ） ; The flora are mainly composed of the families （ ≥ 10 species ） and generas （ 36 species ） , which amount to 21.67% of the total families and 4.25% of the total gerenas, respectively. The flora are mainly consisted of the components of temperate zone, and both have the natures of temperate and subtropical zone.