Gloxinia perennis vs gloxinia

Gloxinia perennis and gloxinia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gloxinia perennis	Yes	No	No	No
gloxinia	Yes	No	No	No

As nouns, gloxinia is a hypernym of Gloxinia perennis; that is, gloxinia is a word with a broader meaning than Gloxinia perennis:

Gloxinia perennis: herb of Colombia to Peru having pale purple flowers
gloxinia: any of several plants of the genera Gloxinia or Sinningia (greenhouse gloxinias) having showy bell-shaped flowers

Gloxinia perennis (noun)	gloxinia (noun)
herb of Colombia to Peru having pale purple flowers	any of several plants of the genera Gloxinia or Sinningia (greenhouse gloxinias) having showy bell-shaped flowers