Piptadenia macrocarpa vs shrub

Piptadenia macrocarpa and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Piptadenia macrocarpa	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of Piptadenia macrocarpa; that is, shrub is a word with a broader meaning than Piptadenia macrocarpa:

Piptadenia macrocarpa: Brazilian shrub having twice-pinnate leaves and small spicate flowers followed by flat or irregularly torulose pods; sometimes placed in genus Piptadenia
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Piptadenia macrocarpa include bush.

Piptadenia macrocarpa (noun)	shrub (noun)
Brazilian shrub having twice-pinnate leaves and small spicate flowers followed by flat or irregularly torulose pods; sometimes placed in genus Piptadenia	a low woody perennial plant usually having several major stems