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(First upload on October 29 2009. Last on September 26 2018) [ 日本語 | English ]

Pyrus ussuriensis Maxim. and P. pyrifolia (Burm. fil.) Nakai






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Pyrus L. (ナシ)
P. pyrifolia (Burm. fil.) Nakai, s.l.
Nihonnashi (ニホンナシ/ヤマナシ, 日本梨/山梨), Japanese pear
Distribution: endemic to Japan
var. pyrifolia (ヤマナシ), the type
var. culta (Makino) Nakai, s.s. (ナシ) (cultivars)
P. ussuriensis Maxim.
Chuugokunashi (チュウゴクナシ, 中国梨), or Hokushiyamanashi (ホクシヤマナシ/北支山梨, ウスリーナシ), Ussurian pear or Chinese pear
Distribution: semi-native to Japan
Synonyms:

P. × bretschneideri Rehder = P. ussuriensis var. culta Kikuchi (cultivars)

var. aromatica (Kikuchi et Nakai) Rehder (ミチノクナシ, 陸奥梨) [discarded, and merged with P. ussuriensis]
var. hondoensis (Nakai et Kikuchi) Rehder (アオナシ, 青梨): central Honshu, green-yellow pericarp
Many cultivars
索引

Pyrus pyrifolia in Hokkaido


ST1 ST2 ST3
[1-3] along a paved road in front of Toya Lake Experimental Station, Hokkaido University, on September 4 2018.

Pyrus ussuriensis in Hokkaido


Alnus1 Alnus2 Alnus3
[1/2] transplants (perhaps cv. Senryo) in the campus of Hokkaido University of Education at Hakodate on September 24 2009. [3] along Nan hu (南湖) in Changchun City, Jilin Prvince, northeastern China, on June 8 2017. (bark, 樹皮)

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