False nettle (Boehmeria cylindrica)

False nettle, also known as Smallspike false nettle

The false nettle typically reaches a height of 50 to 100 cm (about 1.5 to 3 feet). Its flowers are green to greenish-white and form in dense, cylindrical spikes. The seeds are small, oval-shaped, and covered with tiny, hook-like hairs. This plant thrives in floodplains and low-lying areas and is widespread throughout North, Central, and South America.