The New Zealand spinach (Tetragonia tetragonoides) belongs to Aizoaceae (the Ice plant family). It is an evergreen perennial herb that is distributed widely to Japan, Southeast Asia, Oceania and South America. This herb grows on sandy soiles of beaches and scrags, and can reach about 60 cm in height. The stems are creeping on the ground. The leaves are riangular and covered with velvety hairs. The yellow flowers are borne from April to November. The young leaves are used for deep-fried foods, boiled green or marinated food.