kangaroo-foot plant vs kangaroo's-foot

kangaroo-foot plant and kangaroo's-foot both are nouns.

Word	Noun	Adjective	Verb	Adverb
kangaroo-foot plant	Yes	No	No	No
kangaroo's-foot	Yes	No	No	No

As nouns, kangaroo-foot plant and kangaroo's-foot are synonyms defined as:

kangaroo-foot plant and kangaroo's-foot: sedgelike spring-flowering herb having clustered flowers covered with woolly hairs; Australia

Other synonyms of kangaroo-foot plant include Anigozanthus manglesii, Australian sword lily, kangaroo's paw, kangaroo paw.

kangaroo-foot plant (noun)	kangaroo's-foot (noun)
sedgelike spring-flowering herb having clustered flowers covered with woolly hairs; Australia	sedgelike spring-flowering herb having clustered flowers covered with woolly hairs; Australia