The results showed that all water parameter of Ceratoides arborescens were higher than that of Ceratoides lanata, and the photosynthetic rate of C. arborescens was also higher under water stress.

• 试验结果表明，华北驼绒藜的水分生理指标普遍高于绵毛优若藜，在水分胁迫状态下，华北驼绒藜的光合作用要比绵毛优若藜强。