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Taxon: Cucurbita pepo L. subsp. ovifera (L.) D. S. Decker var. ovifera (L.) Harz

Genus: Cucurbita
Family: Cucurbitaceae
Tribe: Cucurbiteae
Nomen number: 12607
Place of publication: Landw. Samenk. 2:819. 1885 (L. H. Bailey, Stand. cycl. hort. 1:910. 1930)
Link to protologue:
  • • [or Cucurbita pepo Acorn, Crookneck, Ornamental Gourd, Scallop, and Straightneck Groups]
  • • probably not the oldest varietal name
  • • Alefeld (Landw. Fl. 222. 1866) published this as a "var.-gr.", which is not the rank of variety
Name Verified on: 15-May-1998 by ARS Systematic Botanists.
Accessions: 70 (1 active, 0 available) in National Plant Germplasm System

Autonyms (not in current use), synonyms and invalid designations:

(≡ homotypic synonym, = heterotypic synonym, - autonym, I invalid designation)

Common names:

  • acorn squash  (Source: Econ Bot) - English
  • fordhook squash  (Source: Econ Bot) - English
  • ornamental gourd  (Source: Econ Bot) - English
  • pattypan squash  (Source: Phytologia) - English
  • scallop squash  (Source: Econ Bot) - English
  • straightneck squash  (Source: Syst Bot) - English
  • summer crookneck squash  (Source: Econ Bot) - English
  • table queen squash  (Source: Econ Bot) - English
  • kazari-kabocha  (Source: F Japan) - Japanese Rōmaji

Economic Importance:

  • Environmental: ornamental (fruits grown for ornament)
  • Human food: fruit (fruits used like a vegetable)

Distributional Range:

    Cultivated (only cult.)


  1. Andres, T. C. & H. B. Tukey, Jr. 1995. Complexities in the infraspecific nomenclature of the Cucurbita pepo complex. Acta Hort. 413:76.
  2. Bailey, L. H. 1929. The domesticated Cucurbitas; first paper. Gentes Herbarum 2:95.
  3. Decker, D. S. & H. D. Wilson. 1986. Numerical analysis of seed morphology in Cucurbita pepo. Syst. Bot. 11:596. URL: www.aspt.net/systematic-botany
  4. Decker, D. S. 1988. Origin(s), evolution, and systematics of Cucurbita pepo (Cucurbitaceae). Econ. Bot. 42:12.
  5. Gong, L. et al. 2012. Genetic relationships and evolution in Cucurbita pepo (pumpkin, squash, gourd) as revealed by simple sequence repeat polymorphisms. Theor. Appl. Genet. 124:857-891. Note: = Cucurbita pepo subsp. texana
  6. Iwatsuki, K. et al. 1993-. Flora of Japan.
  7. Kates, H. R. et al. 2017. Evolutionary and domestication history of Cucurbita (pumpkin and squash) species inferred from 44 nuclear loci. Molec. Phylogenet. Evol. 111:98-109.
  8. Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2
  9. Nee, M. 1990. The domestication of Cucurbita (Cucurbitaceae). Econ. Bot. 44(3 suppl.):61.
  10. Paris, H. S. 1986. A proposed subspecific classification for Cucurbita pepo. Phytologia 61:135.
  11. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
  12. Wilson, H. D. 1999. Free-living Cucurbita pepo in the United States: Viral Resistance, Gene Flow, and Risk Assessment. Web Report for USDA-APHIS

Check other web resources for Cucurbita pepo L. subsp. ovifera (L.) D. S. Decker var. ovifera (L.) Harz :

  • Mansfeld: Mansfeld's World Databas of Agricultural and Horticultural Crops
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2020. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=12607. Accessed 3 June 2020.