Tulip tree and Yellow poplar

Tulip tree noun - Tall North American deciduous timber tree having large tulip-shaped greenish yellow flowers and conelike fruit; yields soft white woods used especially for cabinet work.

Yellow poplar is a synonym for tulip tree. In some cases you can use "Yellow poplar" instead a noun phrase "Tulip tree".

Yellow poplar noun - Tall North American deciduous timber tree having large tulip-shaped greenish yellow flowers and conelike fruit; yields soft white woods used especially for cabinet work.

Tulip tree is a synonym for yellow poplar. You can use "Tulip tree" instead a noun phrase "Yellow poplar".