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Page Last Updated: April 18 2016
Willow Family
9 species
Golden Weeping Willow
Order: Salicales
Family: Salicaceae (Willow family)
Genus: Salix (Willow)
Species: Alba (variation Vitellina)
Kingdom: Plantae
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Updated December 5 2010
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Perennial tree - also known as Weeping Willow, Babylon
or Chinese Weeping Willow - hybrid of Salix babylonica
or chrysocoma and Salix alba (White Willow) - native to
Asia
Eastern Cottonwood
Genus: Populus (Cottonwood)
Species: Deltoides
Kingdom: Plantae
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Updated March 12 2016
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Perennial tree - native to North America
Division: Magnoliophyta (Flowering plants)
Class: Magnoliopsida
Order: Salicales
Family: Salicaceae (Willow family)
Division: Magnoliophyta (Flowering plants)
Class: Magnoliopsida
Trembling Aspen
Genus: Populus (Cottonwood)
Species: Tremuloides
Kingdom: Plantae
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Updated October 10 2012
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Perennial tree - flattened petiole causes leaves to tremble
in the breeze - also known as Quaking Aspen - native to
North America
Order: Salicales
Family: Salicaceae (Willow family)
Division: Magnoliophyta (Flowering plants)
Class: Magnoliopsida
Largetooth Aspen
Genus: Populus (Cottonwood)
Species: Grandidentata
Kingdom: Plantae
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Updated October 10 2012
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Perennial tree - also known as Bigtooth Aspen - native to
eastern North America
Order: Salicales
Family: Salicaceae (Willow family)
Division: Magnoliophyta (Flowering plants)
Class: Magnoliopsida
White Poplar
Genus: Populus (Cottonwood)
Species: Alba
Kingdom: Plantae
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Updated December 1 2013
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Perennial tree - also known as Silver Poplar - dioecious -
native to Eurasia
Order: Salicales
Family: Salicaceae (Willow family)
Division: Magnoliophyta (Flowering plants)
Class: Magnoliopsida
Corkscrew Willow
Order: Salicales
Family: Salicaceae (Willow family)
Genus: Salix (Willow)
Species: Matsudana (variation Tortuosa or Koidzumi)
Kingdom: Plantae
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Updated April 18 2016
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Perennial tree / shrub - also known as Dragon's Claw or
Hankow Willow -
cultivar of Peking / Chinese Willow (S.
matsudana) - Matsudana synonymous with Babylonica? -
native to Asia
Division: Magnoliophyta (Flowering plants)
Class: Magnoliopsida
Crack Willow
Order: Salicales
Family: Salicaceae (Willow family)
Genus: Salix (Willow)
Species: Fragilis
Kingdom: Plantae
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Updated December 26 2013
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Perennial tree - also known as Brittle Willow - often
multi-trunked - native to Eurasia
Division: Magnoliophyta (Flowering plants)
Class: Magnoliopsida
Pussy Willow
Order: Salicales
Family: Salicaceae (Willow family)
Genus: Salix (Willow)
Species: Discolor
Kingdom: Plantae
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Updated March 3 2016
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Perennial tree / shrub - Pussy Willow is the name given to a
number of similar species - native to North America
Division: Magnoliophyta (Flowering plants)
Class: Magnoliopsida
Sandbar Willow
Order: Salicales
Family: Salicaceae (Willow family)
Genus: Salix (Willow)
Species: Interior (also Exigua)
Kingdom: Plantae
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Updated April 18 2014
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Perennial tree / shrub - also known as Narrowleaf Willow -
native to North America
Division: Magnoliophyta (Flowering plants)
Class: Magnoliopsida
Golden Weeping Willow - catkin approx. 6 cm - leaves 4 to 10 cm - height to 25 m - High Park - October 2009
Eastern Cottonwood - catkin to 25 cm - leaves 5 to 10 cm - height to 30 m - Lower Don Valley (Crother's Woods) - July 2010
Trembling Aspen - catkin to 10 cm - leaves 3 to 7 cm - height to 25 m - Toronto Islands - May 2012
White Poplar - catkin to 8 cm - leaves to 15 cm - height to 25 m - High Park - August 2013
Corkscrew Willow - catkin to 2.5 cm - leaves to 10 cm - height to 10 m - West Don Valley (E.T. Seton Park) - October 2010
Crack Willow - catkin to 6 cm - leaves to 15 cm - height to 30 m - Toronto Islands - May 2010
Pussy Willow - catkin to 6 cm - leaves to 10 cm - height to 6 m - Leslie Spit - May 2013
Sandbar Willow - catkin to 8 cm - leaves to 15 cm - height to 6 m - East Don Valley (Taylor Creek Park) - June 2012
Largetooth Aspen - catkin to 12 cm - leaves 5 to 10 cm - height to 20 m - Rouge Park - October 2012