广东连州上柏场岩洞内及洞口植物资源研究

广东连州上柏场石灰岩洞自然分布着国家Ⅰ、Ⅱ级重点保护野生植物报春苣苔(Primulina tabacum)和金荞麦(Fagopyrum dibotrys),对该生境下的植物资源进行研究,有利于种群保护与发展.采集制作植物标本、鉴定和应用资源归类法,据文献对植物资源进行统计分析.结果表明,上柏场岩洞及洞口附近有野生维管植物163种,隶属73科132属.植物资源可分为13类,其中药用植物资源比例最大,占76.07％.上柏场植物资源丰富,类别多样,具鲜明特色,需在对珍稀濒危植物资源加强保护的基础上,可持续地利用其他类别的植物资源.

Study on the plant resources within and nearby a lime cave of Shangbaichang, Lianzhou, Guangdong

Plant resources are studied within and nearby a lime stone cave where the national key protected species of grade I and II of Primulina tabacum and Fagopyrum dibotrys grows naturally respectively at Shangbaichang, Lianzhou, Guangdong, and this study will be benefit to protecting and developing the rare and endangered populations. By collecting and identifying plant specimens, and analyzing on the references, the plant resources are classified to 13 groups. There are 163 species of wild vascular plants inner and nearby the cave of Shangbaichang, belonging to 73 families and 132 genera. Of which the medicinal plant resource has the most percentage of 76.07%to the total.The plant resources at Shangbaichang has obvious diversity and plenty characteristics. Most of the other plant resources should be used sustainable based on the protecting of the rare and endangered species.