Hyacinthus candicans vs cape hyacinth

Hyacinthus candicans and cape hyacinth both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hyacinthus candicans	Yes	No	No	No
cape hyacinth	Yes	No	No	No

As nouns, Hyacinthus candicans and cape hyacinth are synonyms defined as:

Hyacinthus candicans and cape hyacinth: southern African herb with white bell-shaped flowers

Other synonyms of Hyacinthus candicans include Galtonia candicans, summer hyacinth.

Hyacinthus candicans (noun)	cape hyacinth (noun)
southern African herb with white bell-shaped flowers	southern African herb with white bell-shaped flowers