Pollen Germination Characteristic and Stigma Receptivity of Pugionium cornutum Pollen Germination Characteristic and Stigma Receptivity of Pugionium cornutum Adaptation of Seed Germination of Pugionium cornutum and P.dolabratum to Sand Moisture Content Adaptive responses of eremophyte Pugionium cornutum seedlings to different concentrations of NaCl Effects of light and temperature on the germination of Pugionium cornutum (L.) Gaertn. and Pugionium dolabratum Maxim. seeds