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(First upload on December 21 2007. Last on October 30 2017) [ 日本語 | English ]

Ledum palustre L. ssp. diversipilosum (Nakai) Hara






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

Ledum L. (イソツツジ), labrador tea
L. palustre L. s.l., one species in Japan
Lifeform: evergreen shurb
Habitat: hard to say → volcanoes (火山), wetlands (湿原)

Field training on integrated environmental research (Fauna and flora)

ssp. diversipilosum (Nakai) Hara var. nipponicum Nakai (Iso-tsutsuji, イソツツジ, 磯躑躅), Labrador tea
Distribution: northern Honshu - Hokkaido - Kuriles - Sakhalin
Synonyms:

Rhododendron diversipilosum (Nakai) Harmaja
- ssp. diversipilosum (Nakai) Hara var. nipponicum Nakai

ssp. diversipilosum (Nakai) Hara var. diversipilosum (エゾイソツツジ/カラフトイソツツジ)
Synonyms:

Ledum palustre L. var. diversipilosum Nakai

ssp. palustre var. decumbens Ait. (ヒメイソツツジ/ホソバイソツツジ)
Distribution: eastern Siberia - Canada (including Mounts Daisetu and Mount Kitami-Murii in Hokkaido, Japan)
Synonyms:

L. decumbens (Ait.) Small.
- ssp. decumbens (Ait.) Hult. (Hultén 1968)
- var. decumbens Ait.

ssp. groenlandicum (Oeder) Hult.
Distribution: Alaska - Greenland
Synonyms:

L. groenlandicum Oeder

索引

Ledum palustre in Hokkaido


Ledum1 Ledum2 Ledum3
Ledum4 Ledum5 Ledum6
[1] along the seacoast of Hamatonbetsu, where Vaccinium vitis-idaea established, in Sarufutsu Village, northern Hokkaido, on August 27 2015. [2] in Shinsen Bog, central Hokkaido, on June 24 2007. [3/4] at the middle slope of Mount Tarumae on June 12 2008. [5] near the bothie (hut escaped from mountainous disasters) of Mount Tokachi, central Hokkaido, on June 27 2017. [6] at the middle slope of Mount Meakan on June 25 2013.

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