White spirea

(First Upload on January 24 2009. Last on December 1 2022) [ 日本語 | English ]

Spiraea betulifolia Pallas

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

HOME > Plant list (植物リスト) > Rosaceae (バラ科) > Spiraea betulifolia

Spiraea L. (シモツケ)

S. betulifolia Pallas

var. betulifolia
Marubashimotsuke (マルバシモツケ, 丸葉下野), white spirea (spiraea)
Lifeform: deciduous shrub
Distribution: Siberia - northern Japan (including Hokkaido) - Sakhalin - Kuriles - Kamchatka
Habitat: forests - open habitats, including wetland (湿原)

f. oblanceolata (Tatewaki) Kitamura (テシオシモツケ)
Distribution/Hatitat: seprentine zone in northern Hokkaido

Stem: 20-100 cm in height

Leaf: 15-60 mm in length, top rounded, tooth deep at the top to shallow at the base
var. aemilana (C. K. Schn.) Hara (エゾノマルバシモツケ, 蝦夷ノ丸葉下野)
Distribution/habitat: alpine zone in Hokkaido
Stem: short ≤ 30 cm in height
Leaf: small, rounded and wide, with wrinkles
Vein: dented
Synonyms:

Spiraea betulifolia Pall. ssp. aemiliana (C. K. Schneid.) H. Hara
f. glabra (Hara) Ohwi (アカンマルバシモツケ/ケナシエゾノマルバシモツケ), on Mount Akan

var. yoshitakae Toyok. (マシケマルバシモツケ)

Spiraea betulifolia in Hokkaido

1 2
[1/2] in a post-mined peatland, Sarobetsu mire, northern Japan, on July 5 2006.

ssp. aemilana (エゾノマルバシモツケ)

1 2 3
[1/2] at the western slope of Mount Yotei (羊蹄山), central Hokkaido, on June 28 2014. [3] near the bothie (hut escaped from mountainous disasters) of Mount Tokachi, central Hokkaido, on June 27 2017.

Mount Tarumae

1 2 3
[1-3] along a trail near the summit on June 28 2022.

Mount Koma (flora)

1 2 3
[1-3] at the summit area on June 20 2022.