Kathali-chapa or Climbing lang lang (Artabotrys hexapetalus, family : Annonaceae) is a bushy shrub, native to South and Southeast Asia. Its stem is woody. Immatured flowers are whitish green, matured are deep yellow in color; petals 6, leathery, open. Calyx is curved, like a hook. Leaves are alternate, shiny green, oblong-lanceolate, 5-14 cm long, 2-5 cm wide.
Propagation is caused by cutting and seed. Group of fruits (usually 6) grow together at the end of long peduncle. Fruits are ovoid, smooth, pointed at the end, 2.5-4 cm long.