(Upload on August 19 2016) [ 日本語 | English ]

Betula apoiensis Nakai

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

Betula L. (カバノキ)
Apoi-kamba (アポイカンバ, アポイ樺), Apoi dwarf birch* (* tentative)
Lifeform: deciduous shrub ≤ 1 m tall
Distribution: domestic to Mount Apoi in Hokkaido, Japann

Origin: hybrid between B. ermanii and B. ovalifolia
Red Data Book of Japan: critically endangered (CR)

Assigned as Japan Geopark in 2008

Habitat: sunny, rocky, dry sites (reducing the populations and habitats)
Branch: brown → white
Seed dispersal: wind by wing

Betula apoiensis in Hokkaido

Birch1 Birch2 Birch3
[1-3] at the seventh station on Mount Apoi (アポイ岳), south-central Hokkaido, on June 15 2016.