(First upload on February 12 2015. Last on February 19 2018) [ 日本語 | English ]

Coriaria japonica A. Gray

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

⇒ Engler's syllabus (エングラー体系)

Coriariaceae Mirb. (ドクウツギ)

Consisting of about 30 species in one genus, Coriaria
Maori in NZ calls this genus tutu (that is used for this directory name)

Coriaria L. (ドクウツギ)

Only C. japonica is native to Japan.
C. intermedia Matsum. (タイワンドクウツギ)
C. japonica A. Gray (ドクウツギ)
C. myrtifolia L. (セイヨウドクウツギ)
C. napalensis Wall. (ヒマラヤドクウツギ)

Coriaria japonica in Japan

Dokuutsugi (ドクウツギ, 毒空木), Japanese coriaria* (*: tentative)
Ichirobeegoroshi (イチロベエゴロシ)
Lifeform: decidusou shrub
Distribution: Japan (Hokkaido - north to Kinki District of Honshu) - China, endemic to Japan if the report from China is incorrect
Habitat: open lands
Flowering: May
Fruit: red → deep purple (containing poisonous chemicals, of which name is coriamyrtin)
Chromosome number: 2n = 24

Oxalis acetosella in Hokkaido

[1/2] at a location planned for Tomamae Wind Power on September 21 2017. [3/4] a specimen collected on a Japaese black pine forest in the Ikarashi Campus of Niigata University on August 2 1989.