Achyranthes aspera
 Achyranthes aspera (common name: prickly chaff flower devil's horsewhip Sanskrit: अपामार्ग apamarga) is a species of plant in the Amaranthaceae family. It is distributed throughout the tropical world. It can be found in many places growing as an introduced species and a common weed. It is an invasive species in some areas including many Pacific Islands environments.It is one of the 21 leaves used in the Ganesh Patra Pooja done regularly on Ganesh Chaturthi day.