Agave cantala vs century plant

Agave cantala and century plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
Agave cantala	Yes	No	No	No
century plant	Yes	No	No	No

As nouns, century plant is a hypernym of Agave cantala; that is, century plant is a word with a broader meaning than Agave cantala:

Agave cantala: Philippine plant yielding a hard fibre used in making coarse twine
century plant: tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber

Other hypernyms of Agave cantala include agave, American aloe.

Agave cantala (noun)	century plant (noun)
Philippine plant yielding a hard fibre used in making coarse twine	tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber