The stems are often sheathed by the remains of old leaf bases .
The stems are 1 -- 5 metres ( 3 ft 3 in -- 16 ft 5 in ) tall and 3 -- 4 centimetres ( 1.2 -- 1.6 in ) in diameter .
The stems , which are 1 -- 5 metres ( 3 ft 3 in -- 16 ft 5 in ) tall and 3 -- 4 centimetres ( 1.2 -- 1.6 in ) in diameter , are often sheathed by the remains of old leaf bases .