sweet four o'clock vs Mirabilis longiflora

sweet four o'clock and Mirabilis longiflora both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet four o'clock	Yes	No	No	No
Mirabilis longiflora	Yes	No	No	No

As nouns, sweet four o'clock and Mirabilis longiflora are synonyms defined as:

sweet four o'clock and Mirabilis longiflora: leafy wildflower having fragrant slender white or pale pink trumpet-shaped flowers; southwestern United States and northern Mexico

Other synonyms of sweet four o'clock include maravilla.

sweet four o'clock (noun)	Mirabilis longiflora (noun)
leafy wildflower having fragrant slender white or pale pink trumpet-shaped flowers; southwestern United States and northern Mexico	leafy wildflower having fragrant slender white or pale pink trumpet-shaped flowers; southwestern United States and northern Mexico