Acer nigrum
Black maple Taxonomy
Synonyms: Acer saccharum var. nigrum Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI 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: FLNA;  USDA Plants;  BONAP;  BISON
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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 Reproduction: sexual
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:
Human Relationships:
Wildlife and Livestock Information:
Coefficient of Conservatism (C-value) [?] :
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