However most researches on rock plants both at home and abroad emphasized their individual characteristic , their acclimatization mechanism and great ecological potential were neglected . therefore , ecology and nutrition characteristics , as well as drought resistance mechanism of rock plants were poorly understood . as an important rock plant , pogonatherum paniceum ( lam . ) hack 然而，国内外对岩生植物的研究和利用多从宏观尺度上偏重于其独特个体特征，忽略了其内在环境适应机制和巨大生态潜能，缺乏对岩生植物生态特征、营养特性及其耐旱机理的综合研究。
