bottle gourd vs Lagenaria siceraria

bottle gourd and Lagenaria siceraria both are nouns.

Word	Noun	Adjective	Verb	Adverb
bottle gourd	Yes	No	No	No
Lagenaria siceraria	Yes	No	No	No

As nouns, bottle gourd and Lagenaria siceraria are synonyms defined as:

bottle gourd and Lagenaria siceraria: Old World climbing plant with hard-shelled bottle-shaped gourds as fruits

Other synonyms of bottle gourd include calabash.

bottle gourd (noun)	Lagenaria siceraria (noun)
Old World climbing plant with hard-shelled bottle-shaped gourds as fruits	Old World climbing plant with hard-shelled bottle-shaped gourds as fruits