Taxon: Pyrus calleryana Decne.

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
Link to protologue:
Name Verified on: 31-Oct-2006 by ARS Systematic Botanists. Last Changed: 18-Dec-2008
Species priority site is: Natl. Germplasm Repository - Corvallis (COR)
Accessions: 112 in National Plant Germplasm System (GoogleMap)

Common names:

  • Bradford pear  (Source: AH 505) - English
  • callery pear  (Source: Cornucopia) - English
  • mame-nashi  (Source: F Japan) - Japanese Rōmaji
  • litet kinapäron  (Source: Kulturvaxtdatabas) - Swedish
  • dou li  (Source: F ChinaEng) - Transcribed Chinese

Economic Importance:

  • Environmental: ornamental (fide Dict Gard)
  • Gene sources: graft stock relative for Asian pear (fide GenomeMap MolecBreed 4:161. 2007)
  • Gene sources: graft stock relative for pear (of historical use, mostly used for grafting ornamental pears fide BioScience 57:957. 2007; although see Fruits 62:22. 2007)
  • Gene sources: secondary genetic relative of Asian pear (based on genetic affinities to Pyrus pyrifolia fide Korean J Breed Sci 41:444. 2009)
  • Gene sources: secondary genetic relative of pear (based on results of crosses with Pyrus communis fide Bull Torr BC 98:23. 1971)
  • Gene sources: secondary genetic relative of Ussurian pear (based on distant affinities to Pyrus ussuriensis fide J Amer Soc Hort Soc 127:266. 2002)
  • Gene sources: waterlogging tolerance for Asian pear (used in Japan as graft stock for Asian pears fide GenomeMap MolecBreed 4:161. 2007)
  • Materials: wood (for furniture fide F ChinaEng)
  • Weed: (fide Castanea 70:20-31. 2005)

Distributional Range:


  • Asia-Temperate

    • China: China Anhui, Fujian, Guangdong, Guangxi, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Zhejiang
    • Eastern Asia: Korea ; Taiwan
  • Asia-Tropical

    • Indo-China: Vietnam

  • Naturalized

  • Northern America

    • North America

  • Cultivated


  • Aldén, B., S. Ryman, & M. Hjertson Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource on 2012 (Kulturvaxtdatabas)
  • Aubréville, A. et al., eds. Flore du Cambodge du Laos et du Viet-Nam. 1960- (F CambLVN)
  • Barbosa, W. et al. 2007. Asian pear tree breeding for subtropical areas of Brazil (Fruits) 62:21-26.
  • Bell, R. L. & A. Itai 2011. Chapter 8. Pyrus (Wild Crop Rel Tem Fr) 147-177.
  • 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.
  • Chinese Academy of Sciences Flora reipublicae popularis sinicae. 1959- (F China)
  • 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.
  • 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.
  • Encke, F. et al. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage. 1984 (Zander ed13)
  • Facciola, S. Cornucopia, a source book of edible plants. 1990 (Cornucopia)
  • Hanelt, P., ed. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6. 2001 (Mansf Ency)
  • Huxley, A., ed. The new Royal Horticultural Society dictionary of gardening. 1992 (Dict Gard)
  • Itai, A. 2007. Chapter 6. Pear (Genome Map Mol Breed) 4:157-170.
  • Iwatsuki, K. et al. Flora of Japan. 1993- (F Japan)
  • Kang Hee, C. et al. 2009. Analysis of genetic relationship of pear (Pyrus spp.) germplasms using AFLP markers Korean J. Breed. 41:444-450.
  • Lee, Y. N. Flora of Korea. (F Korea)
  • Liberty Hyde Bailey Hortorium Hortus third. 1976 (Hortus 3)
  • Ohwi, J. Flora of Japan (Engl. ed.). (F JapanOhwi)
  • Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource). (Pl Names)
  • Teng, Y. 2011. The pear industry in China Chron. Hort. 51:23-27.
  • 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.
  • Terrell, E. E. et al. Agric. Handb. no. 505. 1986 (AH 505)
  • Townsend, C. C. & E. Guest Flora of Iraq. 1966- (F Iraq)
  • Tuz, A. S. 1972. K voprosu klassifikatsii roda Pyrus L. (Up-to-date systematics of the genus Pyrus L.) Trudy Prikl. Bot. 46:77.
  • Verheij, E. W. M. & R. E. Coronel, eds. 1991. Edible fruits and nuts (Pl Res SEAs) 2:274.
  • Vincent, M. A. 2005. On the spread and current distribution of Pyrus calleryana in the United States (Castanea) 70:20-31.
  • Walters, S. M. et al., eds. European garden flora. 1986- (Eur Gard F)
  • 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.
  • Wu Zheng-yi & P. H. Raven et al., eds. Flora of China (English edition). 1994- (F ChinaEng)
  • Yamamoto, T. & E. Chevreau 2009. Pear genomics (Genet Genom Rosaceae) 8:163-186.

Check other web resources for Pyrus calleryana Decne. :


  • Seed: U.S. National Seed Herbarium image