福建武夷山野生早樱群落的外貌特征

Physiognomy of Cerasus subhirtella var.ascendens community in Wuyi Mountains,Fujian Province

为了更好地开发利用野生早樱Cerasus subhirtellavar.ascendens这一珍贵的木本观花植物,利用群落学研究手段对其群落外貌特征进行研究分析。对武夷山野生早樱群落植物生长型、生活型谱以及叶片的性质等野外调查研究表明:该群落以常绿高位芽植物占主导地位,其中小高位芽占优势。叶的特征分析表明,中型叶和小型叶占有90%以上;叶型以单叶为主,占91.2%;叶质以革质叶为主,占61.5%;全缘叶与非全缘叶比例相当;渐尖和尾尖叶占67.3%,反映了其南亚热带常绿阔叶林的性质。对群落的外貌分析说明,早樱对光的要求,分布范围较高,同时具有南亚热带常绿阔叶林的特征。

The object is to utilize highly the ornamental resource Cerasus subhirtella var. ascendens. According to the field investigation into the Cerasus subhirtella var. ascendens community in Wuyi Mountains, Fujian Province, the physiognomic features （including the growing form, life-form spectrum, leaf-size class and leaf form） indicates： Phanerophytes occupied a dominant position in the communities, especially microphanerophy had the highest percentage. The dominant leaf size was microphyll and mesophyll, which occupied more than 90 percentage of total. Simple leave was main leaf form and occupied 91.2 % in total. The dominant leaf characteristic was coriaceous. The rates of entire leaves and unentire leaves in total were equal, and caudate leaves and acuminate leaves occupied 67.3 % of all leaf apex. All of these indices showed that the community had the characteristic of evergreen broad-leaved forest of south sub-tropic zone. [Ch, 1 fig. 1 tab. 13 ref. ]