(First upload on September 10 2018. Last on January 14 2022) [ 日本語 | English ]

Pyrus communis L.

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

Pyrus L. (ナシ)
Seiyounashi (セイヨウナシ, 西洋梨), European pear or common pear
Life form: deciduous tree
Distribution: central and eastern Europe and southwest Asia

introduced to Japan in early Meiji Era

Habitat: mixed forests, in medium-dry, warm sites, as well as on dry hillsides, rocky slopes and in maquis; calcareous, clay loam and sandy soils
Wild type:
ssp. caucasica (Fed.) Browicz
ssp. pyraster (L.) Ehrh., syn. P. pyraster (L.) Baumg.
var. sativa (DC.) DC. (セイヨウナシ, s.s.)
Many cultivars

Pyrus communis in Hokkaido

var. sativa

Alnus1 Alnus2 Alnus3
Alnus4 Alnus5 Alnus6
[1-3] in Toya Spa area faced to Toya Lake, southwestern Hokkaido, on August 18 2018. [4-6] across a road at Fuji Woman's University, Sapporo, on September 8 2021.