Definition that contains pulu
- aspen any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind
- cottonwood any of several North American trees of the genus Populus having a tuft of cottony hairs on the seed
- family salicaceae two genera of trees or shrubs having hairy catkins: Salix; Populus
- salicaceae two genera of trees or shrubs having hairy catkins: Salix; Populus
- willow family two genera of trees or shrubs having hairy catkins: Salix; Populus