Illinois Natural History Survey - University of Illinois

Acer nigrum
Black maple
Taxonomy

Synonyms: Acer saccharum var. nigrum

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 [?]

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F
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M
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A
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M
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J
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J
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A
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N
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Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Dicot-woody, perennial

Roots: primary

Shoots: opposite leaf arrangment; simple leaf type; serrate, lobed (pinnately), lobed (palmately) leaf margin; Palmate leaf venation; oval leaf shape

Inflorescence: umbel

Flowers: perfect, unisexual, dioecious; 5 merous; incomplete, not petals; yellow; perigynous ovary position

Fruit: samara

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat: Species is distributed in rich woods; often on floodplains; ravines; valleys; near streams.

ILPIN Notes: Leaves are velvety-hairy beneath, commonly with somewhat decurved or drooping sides with rounded teeth nearly as broad as long. Sap is used for maple sugar. Terrestrial furbearers (esp. squirrels) eat seeds, flowers, bark, and twigs. Concerning non-game bird food value, the pertains especially to evening grosbeaks. Seed company numbers: 2, 14. Species is form-balled and burlapped. Species may also be monoecious.

Functional Relationships:

  • Pollinators insects (insect)

Human Relationships:

  • Edibility [?] : yes
  • Showy Flowers: low

Wildlife and Livestock Information:

  • Food Value: deer: good; upland game birds: good; small non-game bird: good; small mammals: good
  • Cover Value: small non-game bird: good

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

  • Entire State: 6
  • Chicago Area: 5

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