Edible: Flowers, Leaves, Fruit
A herb. It grows along the ground or curves upwards. It keeps growing from year to year. It forms mats. The has glandular hairs. The leaves do not have stalks. The leaf blades are broadly oval and 2-5 cm long. They are green and taper to the base and tip. The central vein is red. The flowers are in round heads. The flowers are pink. The nut is 3 angled. It is dull black.
It is a subtropical plant. It can grow in shade and in dry or moist soil. In China it grows between 600-3,500 m above sea level. In Vietnam it grows between 1,300-1,600 m above sea level. In Sichuan and Yunnan.
Common Names: Eastern knotweed, Babing kaling, Kaflya, Nghe dau, Niaorla, Ratnaulo, Ratneulo, Sambondom-bong, Vankaphal
Synonyms:
Cephalophilon capitatum (Buch.-Ham. ex D. Don) Tzvelev;
Polygonum capitatum Buch.-Ham. ex D. Don;