• HOME
  1. 日本語
  2. English
• Personal Info.
  1. CV
  2. For candidates
  3. Give me job!
  4. Recent(?) Photos
  5. Master/doctor theses
• Education
  1. Catalog
  2. HUSTEP
  3. Ecology
  4. Natural env. studies
  5. Environ. conserv.
  6. Field trip for Env. Res.
     
  7. Eco-campus(plants)
  8. Symbiosis in nature
  9. Beadroll
  10. Glossary(References)
• Research
  1. Abstract
  2. Volcanic succession
  3. Wildfire ecology
     
  4. Wetland conservation
  5. Skislope vegetation
  6. Mining
  7. Pub: English
  8. Pub: Japanese
• Hobby · Link
  1. Yoshida
  2. Plant taxonomy
  3. Plants
  4. Cup of tea
  5. Western Australia
  6. Link
  7. Contact

(First upload on September 10 2018. Last on November 11 2023) [ 日本語 | English ]

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. Cultivated: var. sativa (DC.) DC. (セイヨウナシ, s.s.) Many cultivars

Pyrus communis in Hokkaido

---

var. sativa

1 2 3
4 5 6
[1-3] in Toya Spa area faced to Toya Lake, southwestern Hokkaido, on August 18 2018. [4] at Sakura Park in N18/E2, East Ward, Sapporo, on July 20 2023 ☛ bark (樹皮). [5/6] across a road at Fuji Woman's University, Sapporo, on September 8 2021.