Rattan: rattan construction material specimen, coiled. Tying material. The rattan is in the form in which it is brought back from the forest. Leaves were stripped from canes at collection site. (a) Is “rotan tunggai” (calamus penicillatus, Roxb.). Coiled 48 cm. circumferance. (b) Is not identified as to type. Coiled 128 cm. circumferance.