(First upload on October 23 2013. Last on July 31 2023) [ 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) > Leucothoe grayana
Leucothoe D. Don (イワナンテン)Leucothoe grayana Maximovicz (ハナヒリノキ)var. pruinosa (H. Hara) Ohwi (ウスユキハナヒリノキ)var. hypoleuca Nakai (ウラジロハナヒリノキ) var. glabra Komatsu ex Nakai (エゾウラジロハナヒリノキ) var. grayana (ハナヒリノキ, 嚏ノ木) / ウシコロシ) Life form: deciduous shrub < 2 m in height Distribution: endemic to Japan (north to Wakayama) Habitat: (rocky) mountains flora on Mount Koma |
Leaf margin: serrate with hair (≈ 0.5 mm long) Seed germination: increased by smoke treatment (Tsuyuzaki & Miyoshi 2009) Poisonous plant: grayanotoxin Synonyms:
Eubotryoides grayana (Maxim.) H. Hara var. grayana f. parvifolia (H. Hara) T. Yamaz., nom. nud. (ヒメハナヒリノキ) |
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[1] on Mount Okobachi (於古発山), where the Otaru-Yoichi wind farm was planned, observed on June 15 2023. [2] at the entrance of Shirakaba Pass to go Mount Higashi-Nupukaushinupuri (1,252 m elevation), eastern Hokkaido, on June 27 2013. [3] at the western slope of Mount Yotei (1898 m elevation) on June 28 2014. [4] in a foerst at the second station on Mount Apoi (アポイ岳), central southern Hokkaido, on June 15 2016. [5/6] on the southwestern slope of Mount Koma, southwestern Hokkaido, on July 10 2017.