 The "trunk" (actually the tightly rolled petioles (or stalks) of its leaves; the longest petioles of any known plant) is typically up to in height, and with the leaves having a total height of .However, since its discovery in 1954 taller individuals up to have been reported, but these measurements have yet to be confirmed by a specific scientific study.Photos exist of "M. ingens" "trunks" up to in diameter at breast height.