blood flower vs Asclepias curassavica

blood flower and Asclepias curassavica both are nouns.

Word	Noun	Adjective	Verb	Adverb
blood flower	Yes	No	No	No
Asclepias curassavica	Yes	No	No	No

As nouns, blood flower and Asclepias curassavica are synonyms defined as:

blood flower and Asclepias curassavica: tropical herb having orange-red flowers followed by pods suggesting a swallow with outspread wings; a weed throughout the tropics

Other synonyms of blood flower include swallowwort.

blood flower (noun)	Asclepias curassavica (noun)
tropical herb having orange-red flowers followed by pods suggesting a swallow with outspread wings; a weed throughout the tropics	tropical herb having orange-red flowers followed by pods suggesting a swallow with outspread wings; a weed throughout the tropics