Taxon:  Pyrus ×calleryana Decne.



Summary
Genus:
Pyrus
Section:
Pashia
Family:
Rosaceae
Subfamily:
Amygdaloideae
Tribe:
Maleae
Subtribe:
Malinae
Nomen number:
30463
Place of publication:
Jard. fruit. 1:329, sub t. 8.  1872, pro sp.
Hybrid parentage:
= Pyrus betulifolia × P. pashia
Comment:
  • valid publication verified from original literature
  • for final year of publication see TL II 1:609, entry 1338. 1976
Verified:
11/24/2018 ARS Systematic Botanists.
Accessions:
178 (110  active, 0  available) in National Plant Germplasm System.  (Map it)
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Autonym(s)
Pyrus ×calleryana Decne. f. calleryana
Pyrus ×calleryana Decne. var. calleryana

Heterotypic Synonym(s)
Pyrus ×calleryana Decne. f. graciliflora Rehder
Pyrus ×calleryana Decne. f. tomentella Rehder
Pyrus kawakamii Hayata

Images (1 total. Click on image for more.)
Seed

Conservation Status

Reference(s)
  1. University of Georgia Center for Invasive Species and Ecosystem Health
  2. Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) Note: not as hybrid
  3. APHIS. Agricultural Risk Management System United States Department of Agriculture.
  4. Aubréville, A. et al., eds. 1960-. Flore du Cambodge du Laos et du Viet-Nam. Note: not as hybrid
  5. Barbosa, W. et al. 2007. Asian pear tree breeding for subtropical areas of Brazil. Fruits 62:21-26. Note: not as hybrid
  6. Challice, J. S. & M. N. Westwood. 1973. Numerical taxonomic studies of the genus Pyrus using both chemical and botanical characters. Bot. J. Linn. Soc. 67:123. Note: not as hybrid
  7. Chinese Academy of Sciences. 1959-. Flora reipublicae popularis sinicae. Note: not as hybrid
  8. Culley, T. M. & N. A. Hardiman. 2007. The beginning of a new invasive plant: a history of the ornamental callery pear in the United States. BioScience 57:956-964. Note: not as hybrid
  9. Culley, T. M. & N. A. Hardiman. 2009. The role of intraspecific hybridization in the evolution of invasiveness: a case study of the ornamental pear tree Pyrus calleryana. Biol. Invas. 11:1107-1119. Note: not as hybrid
  10. Encke, F. et al. 1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage Note: not as hybrid
  11. Facciola, S. 1990. Cornucopia, a source book of edible plants Kampong Publications. Note: not as hybrid
  12. FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
  13. Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: not as hybrid
  14. Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening Note: not as hybrid
  15. Itai, A. 2007. Chapter 6. Pear. In: Kole. C., ed., Genome mapping and molecular breeding in plants (7 vols.) 4:157-170. Note: not as hybrid
  16. Iwatsuki, K. et al. 1993-. Flora of Japan. Note: not as hybrid
  17. Jiang, S. et al. 2016. Primitive genepools of Asian pears and their complex hybrid origins inferred from fluorescent sequence-specific amplification polymorphism (SSAP) markers based on LTR retrotransposons. PLoS One 11(2): e0149192. Note: supports a hybrid origin
  18. Lee, Y. N. 1997. Flora of Korea. Note: not as hybrid
  19. Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada Note: not as hybrid
  20. Ohwi, J. 1965. Flora of Japan (Engl. ed.). Note: not as hybrid
  21. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource). Note: not as hybrid
  22. Seemüller, E. et al. 2009. Pear decline resistance in progenies of Pyrus taxa used as rootstocks. Eur. J. Pl. Pathol. 123:217-223. Note: this study included five accessions, one recognized as the species, two recognized as vars. tomentella and "gracilifolia", and two representing cv. 'Bradford'
  23. Silva, G. J. da et al. 2018. Pear (Pyrus spp.) breeding. Adv. Plant Breed. Strateg. Vol. 3 4:131-163.
  24. Tamura, F. 2012. Recent advances in research on Japanese pear rootstocks. J. Jap. Soc. Hort. Sci. 81:1-10.
  25. Teng, Y. 2011. The pear industry in China. Chron. Hort. 51:23-27. Note: not as hybrid
  26. Teng, Y.-W. et al. 2002. Genetic relationships of Pyrus species and cultivars native to East Asia revealed by randomly amplified polymorphic DNA markers. J. Amer. Soc. Hort. Sci. 127:262-270. Note: not as hybrid
  27. Terrell, E. E. et al. 1986. Agricultural Handbook no. 505 Note: not as hybrid
  28. Townsend, C. C. & E. Guest. 1966-. Flora of Iraq. Note: not as hybrid
  29. Tuz, A. S. 1972. K voprosu klassifikatsii roda Pyrus L. (Up-to-date systematics of the genus Pyrus L.). Trudy Prikl. Bot. 46:77. Note: not as hybrid
  30. Verheij, E. W. M. & R. E. Coronel, eds. 1991. Edible fruits and nuts. In: Faridah Hanum, I. & L. J. G. van der Maesen, eds., Plant Resources of South-East Asia (PROSEA) 2:274. Note: not as hybrid
  31. Vincent, M. A. 2005. On the spread and current distribution of Pyrus calleryana in the United States. Castanea 70:20-31. Note: not as hybrid
  32. Walters, S. M. et al., eds. 1986-2000. European garden flora. Note: not as hybrid
  33. Westwood, M. N. & H. O. Bjornstad. 1971. Some fruit characteristics of interspecific hybrids and extent of self-sterility in Pyrus. Bull. Torrey Bot. Club 98:22-24. Note: not as hybrid
  34. Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
  35. Yamamoto, T. & E. Chevreau. 2009. Pear genomics. In: Folta, K. M. et al., eds., Genetics and genomics of Rosaceae 8:163-186. Note: not as hybrid
  36. Zheng, X. et al. 2014. Phylogeny and evolutionary histories of Pyrus L. revealed by phylogenetic trees and netwoks based on data from multiple DNA sequences. Molec. Phylogenet. Evol. 80:54-65. Note: this study found the phylogentic position of this species unresolved
  37. 2018. Mid-Atlantic invasive plant species (on-line resource) Note: not as hybrid
Common names
LanguageNameAlternate namenoteseqCitation
EnglishBradford pear  1Terrell, E. E. et al. 1986. Agricultural Handbook no. 505 Note: not as hybrid
Englishcallery pear  1Facciola, S. 1990. Cornucopia, a source book of edible plants Kampong Publications. Note: not as hybrid
Japanese Rōmajimame-nashi  2Iwatsuki, K. et al. 1993-. Flora of Japan. Note: not as hybrid
Swedishlitet kinapäron  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) Note: not as hybrid
Transcribed Chinesedou li  2Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
Distribution
order_codeStatusContinentSubcontinentCountryStateNoteReference
1NativeAsia-TemperateChinaChinaAnhui Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaFujian Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaGuangdong Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaGuangxi Zhuangzu Zizhiqu Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaHenan Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaHubei Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaHunan Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaJiangsu Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaJiangxi Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaShaanxi Shengs.Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaShandong Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateChinaChinaZhejiang Sheng Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TemperateEastern AsiaKorea  Lee, Y. N. 1997. Flora of Korea. Note: not as hybrid
1NativeAsia-TemperateEastern AsiaTaiwan  Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
1NativeAsia-TropicalIndo-ChinaVietnam n.Aubréville, A. et al., eds. 1960-. Flore du Cambodge du Laos et du Viet-Nam. Note: not as hybrid
2Cultivated    also cult.Itai, A. 2007. Chapter 6. Pear. In: Kole. C., ed., Genome mapping and molecular breeding in plants (7 vols.) 4:157-170. Note: not as hybrid
4NaturalizedNorthern AmericaNorth-Central U.S.A.United StatesIllinois FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaNorth-Central U.S.A.United StatesKansas FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaNorth-Central U.S.A.United StatesMissouri FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaNorth-Central U.S.A.United StatesOklahoma FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaNortheastern U.S.A.United StatesIndiana FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaNortheastern U.S.A.United StatesMichigan FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaNortheastern U.S.A.United StatesNew Jersey FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaNortheastern U.S.A.United StatesOhio FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaNortheastern U.S.A.United StatesPennsylvania FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaNortheastern U.S.A.United StatesWest Virginia FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSouth-Central U.S.A.United StatesTexas FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesAlabama FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesArkansas FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesFlorida FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesGeorgia FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesKentucky FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesLouisiana FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesMaryland FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesMississippi FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesNorth Carolina FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesSouth Carolina FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSoutheastern U.S.A.United StatesTennessee FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
4NaturalizedNorthern AmericaSouthwestern U.S.A.United StatesCalifornia FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
Native
Asia-Temperate
  • CHINA: China [Anhui Sheng, Fujian Sheng, Guangdong Sheng, Guangxi Zhuangzu Zizhiqu, Henan Sheng, Hubei Sheng, Hunan Sheng, Jiangsu Sheng, Jiangxi Sheng, Shaanxi Sheng (s.), Shandong Sheng, Zhejiang Sheng]
  • EASTERN ASIA: Korea, Taiwan
Asia-Tropical
  • INDO-CHINA: Vietnam (n.)
Cultivated (also cult.)
Naturalized
Northern America
  • NORTHEASTERN U.S.A.: United States [Indiana, Michigan, New Jersey, Ohio, Pennsylvania, West Virginia]
  • NORTH-CENTRAL U.S.A.: United States [Illinois, Kansas, Missouri, Oklahoma]
  • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee]
  • SOUTH-CENTRAL U.S.A.: United States [Texas]
  • SOUTHWESTERN U.S.A.: United States [California]

Reference(s)
  1. Aubréville, A. et al., eds. 1960-. Flore du Cambodge du Laos et du Viet-Nam. Note: not as hybrid
  2. FNA Editorial Committee. 1993-. Flora of North America. Note: not as hybrid
  3. Itai, A. 2007. Chapter 6. Pear. In: Kole. C., ed., Genome mapping and molecular breeding in plants (7 vols.) 4:157-170. Note: not as hybrid
  4. Lee, Y. N. 1997. Flora of Korea. Note: not as hybrid
  5. Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
Economic Uses
UsageTypeNoteReference
Environmentalornamental Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening Note: not as hybrid
Materialswoodfor furnitureWu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
Weed  Vincent, M. A. 2005. On the spread and current distribution of Pyrus calleryana in the United States. Castanea 70:20-31. Note: not as hybrid
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=30463. Accessed 15 April 2026.