Carya illinoinensis

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Common name: pecan [1]

Carya illinoinensis
Carya illinoinensis AFP.jpg
Photo by the Atlas of Florida Plants Database
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Juglandales
Family: Juglandaceae
Genus: Carya
Species: C. illinoinensis
Binomial name
Carya illinoinensis
Natural range of Carya illinoinensis from USDA NRCS Plants Database.

Taxonomic Notes

Subspecies: Hicoria pecan (Marshall); Hicoria texana LeConte; Carya oliviformis (Michx. f.) Nutt.; Carya pecan (Marshall) Engl. & Graebn.

Varieties: none


C. illinoinensis is a perennial tree of the Juglandaceae family native to North America. [1]


C. illinoinensis can be found in the southeastern corner of the United States. [1] It was originally native to the south-central U.S., but is now more widespread into the southeastern region due to cultivation. [2]



C. illinoinensis is found in bottomlands, suburban woodlands, rural forest edges and floodplains, and is commonly cultivated around dwellings and in orchards. [2] [3]

Fire ecology

C. illinoinensis is not fire resistant, and has a low fire tolerance. [1]

Use by animals

C. illinoinensis is not highly palatable to grazing or browsing animals, but is highly palatable to humans. [1]

Conservation and Management

Cultivation and restoration

C. illinoinensis is a highly cultivated plant due to its use by humans as food. [2]

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 1.4 USDA Plant Database
  2. 2.0 2.1 2.2 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. URL: Last accessed: June 2018. Collectors: Loran C. Anderson, R.K. Godfrey. States and counties: Franklin County Florida, Leon County Florida, Gadsden County Florida, Jefferson County Florida, Jackson County Florida, Liberty County Florida, Washington County Florida, Holmes County Florida, Madison County Florida.