• 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 July 31 2010. Last on July 16 2017) [ 日本語 | English ]

Alnus Mill. (ハンノキ) Yamahannoki (ヤマハンノキ, 山榛ノ木, s.l.), manchurian alder Life form: deciduous, pioneer tree < 20 m in height var. hirsuta Keyamahannoki (ケヤマハンノキ, 毛山榛ノ木) Distribution: northeast Asia, including Japan → Flora on Mount Usu Habitat: secondary forests (often used for erosion control)

Field training on integrated environmental research (統合環境調査法実習) var. microphylla (Nakai) Tatewaki (コバノヤマハンノキ/タニガワハンノキ), separated to A. inokumae Murai et Kusaka Distribution: north to central Honshu Leaf: smaller than the type, much silky hair on the back Synonyms: Alnus inokumae Murai et Kusaka var. sibirica (Fischer) C. K. Schn. (ヤマハンノキ/マルバハンノキ, s.s.) Leaf: pruinose and hairless on the back

Alnus hirsuta in Hokkaido

---

1 2 3
4 5
[1/2] in the caldera rim of Mount Usu on July 21 2010. [3] a sapling on a slope of Tomamu skislope on July 19 2012. [4-6] along Shunbetsu River, south-central Hokkaido, on June 14 2016 (bark, 樹皮). Records: in the Forest of Hokkaido People (道民の森), 3rd River, Kamui-jiri, Aoyama, Tobetsu Town, on July 18 2022.

Mount Koma

1 2 3 4
[1-3] on the southwestern slope of Mount Koma (flora) on July 10 2017. [4] many galls formed by Eriophyidae (フシダニ) on the trail near the parking lot on June 9 2018.