Calamus javensis var. intermedius (Becc.) Becc. 1902
Calamus javensis subvar. intermedius Becc. 1892
Calamus javensis var. laevis Furtado 1956
Calamus javensis subvar. mollispinus Becc. 1913
Calamus javensis var. peninsularis Becc. 1892
Calamus javensis var. pinangianus (Becc.) Ridl. 1925
Calamus javensis subvar. pinangianus Becc. 1892
Calamus javensis var. polyphyllus (Becc.) Becc. 1902
Calamus javensis subvar. polyphyllus Becc. 1892
Calamus javensis var. purpurascens (Ridl.) Ridl. 1925
Calamus javensis subvar. purpurascens Becc. 1892
Calamus javensis var. sublaevis Becc. 1908
Calamus javensis var. tenuissimus (Becc.) Becc. 1902
Calamus javensis subvar. tenuissimus Becc. 1892
Calamus javensis var. tetrastichus Blume 1847
Calamus kemamanensis Furtado 1956
Calamus penicillatus var. inermis Ridl. 1907
Calamus penicillatus var. pinangianus (Becc.) Ridl. 1907
Calamus penicillatus var. purpurascens Ridl. 1907
Calamus tetrastichus Blume 1847
Palmijuncus amplectens (Becc.) 1891
Palmijuncus borneensis (Miq.) 1891
Palmijuncus tetrastichus (Blume) 1891
Calamus javensis is a vine in the family Arecaceae.[1][2] It is native to the East Indies. The species is the thinnest of all rattans, measuring only 3 mm in width.[3]