(First upload on October 6 2016. Last on August 5 2022) [ 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) > Ericaceae (ツツジ科) > Rhododendron dauricum
Rhododendron L. (ツツジ) in Japanezomurasakitsutsuji (エゾムラサキツツジ, 蝦夷紫躑躅), dahurian rhododendrontokiwagenkai (トキワゲンカイ) Lifeform: (semi-)deciduous shrub < 1 m tall Distribution: northeastern Asia (north-eastern China - eastern Siberia - Ussuri - Korea), including the Hokkaido of Japan Red Data Book: High risk of endangerment in the wild (VU) Habitat: rocky and/or sunny sites |
Leaf: developed after flowering Stamen = 10 Use: gardening → cultivars var. albiflorum Turcz. (シロバナエゾムラサキツツジ, シトバナトキワツツジ) var. sempervirens Sims (USA) → Rhododendron ledebourii Pojark. |
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[1-3] at the sixth station on Mount Apoi (アポイ岳), south-central Hokkaido, on June 15 2016.
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[1] in a house garden, N19/W3, North Ward, Sapporo, on April 15 2019. [2/3] in front of the Faculty of Engineer, Hokkaido University. [2] on May 3 2019. [3] on May 11 2009. [4-6] in front of the Obekkari (大別苅) Fire Station, northern Hokkaido. [4/5b] on May 9 2022. [5/6] on April 22 2020.