Illinois Natural History Survey - University of Illinois

Carya laciniosa
Riverbank hickory
Taxonomy

Synonyms:

Subspecific taxa:

Classification:

  • Magnoliophyta

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Images

   
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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: Native

Species Description

General: Dicot-woody, perennial

Roots: primary

Shoots: alternate leaf arrangment; compound, pinnately leaf type; serrate leaf margin; Pinnate leaf venation; ovate, oblanceolate leaf shape

Inflorescence: spike, catkin

Flowers: unisexual, monoecious; incomplete, not petals; perigynous ovary position

Fruit: nut

Physiology: autotrophic; C3 C02 fixation

Ecology & Natural History

Habitat:

ILPIN Notes: Pistillate flowers are perigynous and in spikes; shaggy bark; large leaflets, 5-9; orange-dotted twigs. Form - whips, seedlings. Terrestrial furbearers (esp. squirrels) eat nuts, bark as food. Regarding waterfowl food value, this pertains especially to wood ducks. Regarding small mammals food value, this applies especially to eastern chipmunks. Seed company numbers: 13, 18, 19, 27. Nut is very sweet. Species is occasional to rare. Wood is very heavy, close grained, strong, and elastic.

Functional Relationships:

  • Pollinators insects (wind)

Human Relationships:

  • Edibility [?] : yes
  • Showy Flowers:

Wildlife and Livestock Information:

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

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

  • Entire State: 7
  • Chicago Area: 10

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