Wiktionary
nodelike
a. Resembling or characteristic of a node.
Usage examples of "nodelike".
Some of the hardier species had developed ways of eating the more noxious chemicals, and a few seaweeds had developed a symbiotic relationship with them, carrying the algae in their nodelike floats or under the broad leaves, until the entire coast was poisoned.
Suddenly, the waters part and the creature rears up to reveal its face: flat red eyes gleaming like banked fires, noseless but for dark slits over a nodelike swelling, and a mouth grinning with rows of glittering sharp teeth.