Table 4.

Root mediated synthesis of gold nanoparticles.

S. No	Scientific name	Family	Common name	Characterization	Size (nm)	Shape	Reference
1.	Coleus forskohlii	Lamiaceae	Forskolin	UV–Vis spectroscopy, HRTEM,	5–18	Nano rods	[80]
2.	Ipomoea carnea	Convolvulaceae	pink morning glory	UV–Vis spectra, SEM, TEM, EDAX, XRD, FT-IR,	25–100	Triangular, hexagonal, pentagonal, rod and truncated	[27]
3.	Morinda citrifolia	Rubiaceae	morinda	UV–vis spectroscopy, XRD, FTIR, FE-SEM, EDX and TEM	12.17–38.26	Spherical, triangle and Hexagonal	[81]
4.	Panicum maximum	Poaceae	zaina	SEM, AFM, UV–Vis spectroscopy, XRD	14.28	Spherical Shape	[82]