an American weedy plant with small white or greenish flowers
छोटे सफेद या हरे रंग के फूलों वाला एक अमेरिकी पौधों का पौधा
tall North American perennial with creeping rootstocks and narrow leaves and spikes of pinkish-purple flowers occurring in great abundance in burned-over areas or recent clearings an important honey plant
लंबा उत्तरी अमेरिका के बारहमासी