Plants of A. sinaica were collected from Ain Shakaya (28.543386 N, and 33.933071 E), Saint Katherine, South Sinai, Egypt. The plant materials were carefully placed in sterile polyethylene bags and brought to the laboratory in portable cool chambers (4 °C). The botanical identification of these plants has been carried out at the herbarium of Botany and Microbiology Department of Al-Azhar University, and specimen of the plant herbarium is deposited in the herbarium of Botany and Microbiology Department of Al-Azhar University under the registration name of A. sinaica (1_As). Plant picture is shown in Plate 1.