''Populus'' × ''acuminata'' or ''Populus acuminata'', the lanceleaf cottonwood, is a species of ''

Populus ''Populus'' is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere. English names variously applied to different species include poplar (), aspen, and cottonwood. The we ...

'' native to the Rocky Mountains of North America. It is a naturally occurring hybrid of narrowleaf cottonwood, ''

Populus angustifolia ''Populus angustifolia'', commonly known as the narrowleaf cottonwood, is a species of tree in the willow family (Salicaceae). It is native to western North America, where it is a characteristic species of the Rocky Mountains and the surrounding ...

'', and eastern cottonwood, '' Populus deltoides'', found where their ranges overlap. It is planted as a shade tree in cities in the Rockies, preferring to grow at elevations between 4,500 and 8,500 ft. Given the plant's proclivity (like other poplars) to send out shallow roots and suckers, some municipalities prohibit their planting.

Fort Collins, Colorado Fort Collins is a home rule municipality that is the county seat and the most populous municipality of Larimer County, Colorado Larimer County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 359 ...

, by contrast, has many lanceleaf cottonwoods gracing its avenues.

References

{{DEFAULTSORT:Populus acuminata acuminata Flora of North America Plants described in 1893 Plant nothospecies