Fremont Cottonwood, Western Cottonwood
Scientific Name: Populus fremontii S. Wats.
Synonym: Populus macdougalii, Populus fremontii var. macdougalii, Populus arizonica, Populus fremontii var. arizonica, Populus canadensis var.
Fremont cottonwood Salicaceae Populus fremontii S. Watson symbol: POFR2
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Fremont Cottonwood, Western Cottonwood, pop-U-lus free-MONT-e-i
Deciduous tree, fast growing to 40-60 ft (12-18 m), may reach 100 ft (30 m), broad, rounded or cylindrical crown, bark is smooth on the trunk and branches of young trees, ...
aka Fremont cottonwood
Fall color is only seen in regions with gradual temperature changes. In Tucson, some years the change to cold season temperatures may occur too abruptly, and the leaves drop without ever turning gold.
Populus fremontii. FREMONT COTTONWOOD. Western North America
SALICACEAE (Willow family) ...
Fremont Cottonwood [English]: Populus fremontii
Fremont Cottonwood [English]: Populus fremontii subsp. mesetae
Fremont Cottonwood [English]: Populus fremontii mesetae
Fremont County Rockcress [English]: Arabis pusilla ...
Populus deltoides - Eastern Cottonwood (Eastern North America)
Populus fremontii - Fremont Cottonwood (Western North America)
Populus nigra - Black Poplar (Europe) Placed here by nuclear DNA; cpDNA places in sect. Populus.
 See also: Cotton, Cottonwood, Green, Aspen, May
  
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