plant life vs campylotropous

plant life is a noun but campylotropous is not a noun.

Word	Noun	Adjective	Verb	Adverb
plant life	Yes	No	No	No
campylotropous	No	Yes	No	No

plant life (noun)	campylotropous (noun)
(botany) a living organism lacking the power of locomotion

plant life (adjective)	campylotropous (adjective)
	(of a plant ovule) curved with the micropyle near the base almost touching its stalk