(First upload on September 18 2012. Last on September 21 2021) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Betulaceae (カバノキ科) > Ostrya japonica
Ostrya Scop. (アサダ)Asada (アサダ, 浅田), Japanese hop hornbeamHanekawa (ハネカワ), Minokaburi (ミノカムリ) → named by the bark (樹皮) Akaza (アカザ) → named by the red wood Life form: deciduous, broad-leaved tree ≈ 15 m tall Distribution: northeastern Asia, including Japan (but not in northern Hokkaido) Habitat: (mountainous) forest Field training on integrated environmental research (統合環境調査法実習) (出現種リスト) |
Small branch: hair, glandular Bark: rolling back after shallow vertical split Leaf: alternate, developing glandar hair + small, young branch = glandular hair Use: red-brown hardwood → furniture f. homochaeta (Honda) Koji Ito (コアサダ), less glandular hair |
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[1] a bush dominated by O. japonica in Tomakomai Experimental Forest, Hokkaido University, on August 23 2012. [2] at an unpaved parking lot on Mount Koma (駒ヶ岳 ⇒ flora), southern Japan, on August 4 2015. [3] in Botanic Gardens, Tohoku University, Natural Monument Aobayama, northern Honshu, on March 23 2016. [4-8] near a bridge at the entrance of Shunbetsu River, south-central Hokkaido, on June 14 2016. [9] near Shojin Falls, Sapporo, on September 18 2021. I usually identify this species by the bark, when the tree is large.