Sterculia foetida vs sterculia

Sterculia foetida and sterculia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sterculia foetida	Yes	No	No	No
sterculia	Yes	No	No	No

As nouns, sterculia is a hypernym of Sterculia foetida; that is, sterculia is a word with a broader meaning than Sterculia foetida:

Sterculia foetida: large tree of Old World tropics having foul-smelling orange-red blossoms followed by red pods enclosing oil-rich seeds sometimes used as food
sterculia: any tree of the genus Sterculia

Sterculia foetida (noun)	sterculia (noun)
large tree of Old World tropics having foul-smelling orange-red blossoms followed by red pods enclosing oil-rich seeds sometimes used as food	any tree of the genus Sterculia