Yellow-poplar (Liriodendron)

The hyphen in this name tells us that it isn't a true poplar. It is not native to Oregon, and is currently not fully described on this website.

• Leaves: Large, squarish edged leaves with four lobes. Simple, alternate, and deciduous.
  
• Flowers: Tulip-shaped; greenish yellow with bright orange flares. Numerous yellow stamens.
  
• Fruit: Distinctive cone-like fruits containing seeds with one long wing.
  
• Twigs: Duckbill-shaped buds.

For more information on this tree, check here:

Dendrology at Virginia Tech: Searchable Fact Sheets

USDA Forest Service: Silvics of North American Tree Species