Top
Header

(First upload on April 25 2010. Last on July 9 2022) [ 日本語 | English ]

Daphne jezoensis Maxim.






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

Daphne L. (ジンチョウゲ)
Naniwazu (ナニワズ, 難波津)
Ezonatsubozu (エゾナツボウズ, 蝦夷夏坊主)
Life form: deciduous dwarf shrub (semi-spring ephemeral)

leaves defoliated in summer

Distribution: northern Japan - southern Sakhalin - southern Kuril
Habitat: deciduous forest
Flowering period: early spring soon after snow melt (with spring ephemerals)
Seed dispersal: animal by berry (green → orange/red)
Shoot: dioecious
Poisonous plant: producing daphnin
Synonyms:

D. kamtschatica Maxim. var. jezoensis (Maxim.) Ohwi
D. kamtschatica Maxim. ssp. jezoensis (Maxim.) Vorosch.
D. pseudomezereum A. Gray ssp. jezoensis (Maxim.) Hamaya

索引

Daphne jezoensis in Hokkaido


ST1 ST2 ST3
ST4 ST5 ST6
[1] Bud stage on the north slope of Mount Sankaku, Sapporo City, On April 17 2010, soon after snow-melt. [2] Flower stage in Tomakomai Experimental Forest on May 21 2005. [3] at Tomakomai Experimental Forest on April 23 2012. Whenever I saw the flowers, I saw much litter below the plants. [3] along a trail on Mount Yosomi (四十三山) at the foot of Mount Usu on April 26 2022. [5] along a stream in the Tomakomai Experimental Forest of Hokkaido University on September 12 2019. [6] at a forest edge of the byway of the bottom of Nishiyama Crater Group, Mount Usu, on April 10 2020. Records: flowering in a forest (Symbiosis Forest) near Nopporo Forest Park on May 5 2020. Near Moiwa skislope along a trail to Mount Moiwa (藻岩山) on June 22 2021.

フッター