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Taxon: Pyrus ×hondoensis Nakai & Kikuchi

Genus: Pyrus
Section: Pashia
Family: Rosaceae
Subfamily: Amygdaloideae
Tribe: Maleae
Subtribe: Malinae
Nomen number: 30506
Place of publication: Bot. Mag. (Tokyo) 32:34. 1918, pro sp.
Link to protologue: https://biodiversitylibrary.org/page/41605335
Comment: a complex hybrid involving Prunus ussuriensis and probably P. dimorphophylla
Name Verified on: 24-Nov-2018 by ARS Systematic Botanists.
Accessions: 34 (27 active, 18 available) in National Plant Germplasm System (Map)

Autonyms (not in current use) and synonyms:

(≡ homotypic synonym, = heterotypic synonym, - autonym)

Distributional Range:


    • EASTERN ASIA: Japan [Honshu (c.)]


  1. Bao, L. et al. 2007. Genetic diversity and similarity of pear (Pyrus L.) cultivars native to East Asia revealed by SSR (simple sequence repeat) markers. Genet. Resources Crop Evol. 54:959-971. Note: not as hybrid
  2. 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
  3. Iketani, H. et al. 1998. Incongruence between RFLPs of chloroplast DNA and morphological classification in east Asian pear. Genet. Resources Crop Evol. 45:533-539. Note: = Pyrus ussuriensis var. hondoensis Rehder
  4. Iwatsuki, K. et al. 1993-. Flora of Japan. Note: = Pyrus ussuriensis var. hondoensis (Nakai & Kikuchi) Rehder
  5. 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: this study examined 93 Pyrus accessions from China, Japan, Korea and Pakistan for understanding genetic affinities among Asian pear species and cultivars, and origins of Asian pears; this study included a clonal accession of P. hondoensis, based on STRUCTURE analysis using K=5, this taxon clustered mainly in two different major genepools with some contribution of two other genepools, this result suppports this taxon as probably derived from a complex hybridization involving P. ussuriensis and local species P. dimorphophylla
  6. Katayama, H. & C. Uematsu. 2003. Comparative analysis of chloroplast DNA in Pyrus species: physical map and gene localization. Theor. Appl. Genet. 106:303-310. Note: = Pyrus ussuriensis var. hondoensis (Nakai & Kikuchi) Rehder
  7. Katayama, H. et al. 2012. Phylogenetic utility of structural alterations found in the chloroplast genome of pear: hypervariable regions in a highly conserved genome. Tree Genet. Genomes 8:313-326. Note: = Pyrus ussuriensis var. hondoensis
  8. Ohwi, J. 1965. Flora of Japan (Engl. ed.). Note: = Pyrus ussuriensis var. hondoensis (Nakai & Kikuchi) Rehder
  9. Rehder, A. 1949. Bibliography of cultivated trees and shrubs. Note: = Pyrus ussuriensis var. hondoensis (Nakai & Kikuchi) Rehder
  10. 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
  11. Yamamoto, T. & E. Chevreau. 2009. Pear genomics. Genetics and genomics of Rosaceae 8:163-186. Note: not as hybrid

Check other web resources for Pyrus ×hondoensis Nakai & Kikuchi :

  • 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. 2019. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=30506. Accessed 20 October 2019.