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(First upload on October 23 2013. Last on July 31 2023) [ 日本語 | English ]

Leucothoe grayana Maximovicz var. grayana






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

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
Eubotryoides grayana (Maxim.) H. Hara var. oblongifolia (Miq.) H. Hara
Leucothoe grayana Maxim. var. oblongifolia (Miq.) Ohwi

f. venosa (Nakai) T. Yamaz., nom. nud.
f. parvifolia (H. Hara) T. Yamaz., nom. nud. (ヒメハナヒリノキ)
索引

Leucothoe grayana in Hokkaido


ST1 ST2 ST3
ST4 ST5 ST6
[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.

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