The leaf - blades are flat .
Are 5 -- 15 centimetres ( 2.0 -- 5.9 in ) long by 2 -- 4 millimetres ( 0.079 -- 0.157 in ) wide while the membrane is eciliated and is 0.5 -- 3 millimetres ( 0.020 -- 0.118 in ) long .
The leaf - blades are flat and are 5 -- 15 centimetres ( 2.0 -- 5.9 in ) long by 2 -- 4 millimetres ( 0.079 -- 0.157 in ) wide while the membrane is eciliated and is 0.5 -- 3 millimetres ( 0.020 -- 0.118 in ) long .