The leaves of the bulbosa are narrow, and curled in at the edges which create a tubular, straw-like shape. These grow twisted and contorted which gives them their tentacle-like appearance. As they mature, the leaves will blush a deep purple and red before the plant blooms. Their bulbous bases, which are mostly hollow, often serve as homes for ant colonies - so it isn't uncommon to find ants in these plants if they are left outside. The plant benefits from this relationship as the ants provide fertilization in the form of their detritus and waste.