*3.1. Plant Materials*

Composite samples of the above-ground parts of the flowering *C. amblyocarpa* were collected in May 2018 from Wadi Hajoul, eastern desert, Egypt (29◦57 51.2 N 32◦08 57.9 E). The flowering plant was presented in Figure 7 The samples were collected from two populations in plastic bags, transferred to the laboratory, air-dried in a shaded place at room temperature for seven days, crushed into powder, and stored in paper bags until further analysis. The plant was identified according to [63,64]. A herbarium sheet (Mans.030301002) was prepared and deposited in the Herbarium of Botany Department, College of Science, Mansoura University, Egypt.

**Figure 7.** *Cleome amblyocarpa* Barratte & Murb. (**a**) Whole flowering plant, (**b**) enlarged flowering branch, and (**c**) enlarged fruiting branch. Photos were taken by Dr. Yasser El-Amier during spring of the year 2018 in Wadi Hajoul, eastern desert, Egypt.
