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Taxon: Carya aquatica (F. Michx.) Elliott

Genus: Carya section: Apocarya
Family: Juglandaceae
Nomen number: 313342
Place of publication: Sketch bot. S. Carolina 2:627. 1824 (T. Nuttall, Gen. N. Amer. pl. 2:222. 1818, nom. nudum)
Comment: Nuttall listed only the epithet, and although he cited "Juglans species, L. Willd." under his genus Carya, this cannot be taken as an indirect reference to J. aquatica F. Michx. that was published after Willdenow
Name verified on: 17-Mar-1988 by ARS Systematic Botanists. Last updated: 18-Sep-2007
Species priority site is: Natl. Germplasm Repository - Brownwood (BRW).
Accessions: 45 in National Plant Germplasm System.

Common names:

  • bitter pecan   (Source: F NAmer ) – English
  • water hickory   (Source: Trees US ) – English
  • Bitter-Pekan   (Source: Zander Ency ) – German
  • Wasser-Hickorynuß   (Source: Zander Ency ) – German

Economic importance:

  • Fuels: charcoal   (fide AH 519)
  • Fuels: fuelwood   (fide AH 519)
  • Gene sources: graft stock relative for pecan   (fide Acta Hort 622:561. 2003)
  • Gene sources: primary genetic relative of pecan   (based on fertile hybrids with Carya illinoinensis fide Brittonia17:99. 1964)
  • Materials: wood   (fide AH 519)

Distributional range:

      Native: (links to other web resources are provided for some distributions)


  • Browne, E. T. & R. Athey. 1992. Vascular plants of Kentucky: an annotated checklist. [lists as C. aquatica (F. Michx.) Nutt.].
  • Clewell, A. F. 1985. Guide to the vascular plants of the Florida panhandle. [lists as C. aquatica (F. Michx.) Nutt.].
  • Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas. [lists as C. aquatica (F. Michx.) Nutt.].
  • Deam, C. C. 1940. Flora of Indiana. [mentions].
  • Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen.
  • FNA Editorial Committee. 1993–. Flora of North America. [lists as C. aquatica (F. Michx.) Nutt.].
  • Fowells, H. A. 1965. Silvics of forest trees of the United States.
  • Godfrey, R. K. & J. W. Wooten. 1979–1981. Aquatic and wetland plants of southeastern United States, 2 vol. [lists as C. aquatica (F. Michx.) Nutt.].
  • Grauke, L. J. & M. A. Mendoza-Herrera. 2012. Population structure in the genus Carya. Acta Hort. 948:143–158.
  • Grauke, L. J. & T. E. Thompson. 2003. Rootstock development in temperate nut crops. Acta Hort. 622:553–566.
  • Jones, G. N. & G. D. Fuller. 1955. Vascular plants of Illinois. [lists as C. aquatica (F. Michx.) Nutt.].
  • Little, E. L., Jr. 1978. Important forest trees of the United States.
  • Little, E. L., Jr. 1979. Checklist of United States trees, Agric. Handb. 541.
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  • Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. [lists as C. aquatica (F. Michx.) Nutt.].
  • Smith, E. B. 1978. An atlas and annotated list of the vascular plants of Arkansas. [lists as C. aquatica (F. Michx.) Nutt.].
  • Steyermark, J. A. 1977. Flora of Missouri. [lists as C. aquatica (F. Michx.) Nutt.].
  • Stone, D. E. et al. 1964. Morphological and chemical evidence of the hybrid nature of bitter pecan, Carya × lecontei. Brittonia 17:97–106.
  • Wunderlin, R. P. 1982. Guide to the vascular plants of central Florida. [lists as C. aquatica (F. Michx.) Nutt.].
  • Zhang, J.-B. et al. 2013. Integrated fossil and molecular data reveal the biogeographic diversification of the Eastern Asian-Eastern North American disjunct hickory genus (Carya Nutt.). PLoS One 8(7): e70449.


Check other web resources for Carya aquatica (F. Michx.) Elliott:


  • Fruit: U.S. National Seed Herbarium image
  • Check for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (25 November 2015)

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