Tsundere is actually a term derived by fans to classify a type of anime character that is becoming more common, usually a female lead. It is the combination of two words-tsuntsun and deredere. Tsuntsun Tsuntsun refers to being egoistic, hostile, tough.
Green pigweed tends to have faster germination and growth, and greater competitive ability than redroot or smooth pigweed. All 3 pigweed species can produce as many as 100,000 seeds per plant, although most plants growing in a crop produce between 10,000 and 30,000 seeds. Ungerminated seeds can live in the soil for as long as 40 years.
Polygonum cuspidatum, known by the common name Japanese knotweed, is a tall, stout herbaceous perennial (Seiger, 2005) and is a member of the Polygonaceae (Seiger, 2005). In China it is referred to as Hu Zhanz. Japanese knotweed is also known under the scientific names Fallopia japonica and Reynoutria japonica. The leaves are alternately arranged and are oval with pointed tips and a truncate base. They measure approximately 15 cm long by 7.5-10 cm wide (Remaley, 2005).