Texas bluebonnet vs Lupinus texensis

Texas bluebonnet and Lupinus texensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Texas bluebonnet	Yes	No	No	No
Lupinus texensis	Yes	No	No	No

As nouns, Texas bluebonnet and Lupinus texensis are synonyms defined as:

Texas bluebonnet and Lupinus texensis: closely resembles Lupinus subcarnosus; southwestern United States (Texas)

Texas bluebonnet (noun)	Lupinus texensis (noun)
low-growing annual herb of southwestern United States (Texas) having silky foliage and blue flowers; a leading cause of livestock poisoning in the southwestern United States	closely resembles Lupinus subcarnosus; southwestern United States (Texas)
closely resembles Lupinus subcarnosus; southwestern United States (Texas)