high-angle view of a vast expanse of fresh leaves of sphenoclea zeylanica plants

agricultural agriculture asia background botany broadleaves chickenspike closeup copy-space crop cultivation diet edible environment farm field foliage food fresh garden gardening gooseweed green greenery grow growth harvest healthy herb herbicide leaf leaves natural nature nutrient nutrition organic outdoor plant plantation season sphenoclea sphenoclea-zeylanica texture tropical vegetable vegetables vegetarian wedgewort zeylanica