Illinois Natural History Survey - University of Illinois

Populus x canescens
Gray poplar
Taxonomy

Synonyms: Populus canescens

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Species Distribution
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County Map Legend
Absent:
Not known from county
Medium confidence:
Medium or unknown confidence;
often old records or unverifiable observations
Medium-high confidence:
Often observations by expert botanists
High confidence:
Often vouchered herbarium records
Planted / introduced:
Native species introduced outside historic range,
or only in planted locations within county (e.g., restorations)
Historic / extirpated:
Only historic records for the species; likely extirpated
(Note that this category is not yet functional)

North American distribution maps for this species: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

J
0
F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Europe

Species Description

General: Dicot-woody, perennial

Roots: primary

Shoots: alternate leaf arrangment; simple leaf type; dentate leaf margin; lanceolate leaf shape

Inflorescence: catkin

Flowers: unisexual, dioecious; incomplete, not petals, not sepals; hypogynous ovary position

Fruit: capsule

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat:

ILPIN Notes: Species is not recommended for cultivation due to suckers and roots blocking drains. Species spreads by underground suckers. Leaves are sparsely pubescent with gray under surface. Species infrequently escapes cultivation. Species is considered by some to be a hybrid between P. alba and P. tremula; also considered to be a variety of P. alba.

Functional Relationships:

  • Pollinators insects (wind)

Human Relationships:

  • Edibility [?] :
  • Showy Flowers: low

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State:
  • Chicago Area:

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