cholla vs Opuntia cholla

cholla and Opuntia cholla both are nouns.

Word	Noun	Adjective	Verb	Adverb
cholla	Yes	No	No	No
Opuntia cholla	Yes	No	No	No

As nouns, cholla and Opuntia cholla are synonyms defined as:

cholla and Opuntia cholla: arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico

cholla (noun)	Opuntia cholla (noun)
arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico	arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico