(First upload on September 30 2008. Last on July 7 2022) [ 日本語 | English ]

Salix integra Thunb.

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

Salix L. (ヤナギ)
Of Salix species in Hokkaido, only this species produces opposite phyllotaxis.
Inukoriyanagio (イヌコリヤナギ, 犬行李柳), Japanese variegated willow
Lifeform: deciduous shrub (dioecism) < 6 m high
Distribution: China - Korea - Japan
Habitat: sun tree, often establishing after disturbances

flora on: Mount Koma, Mount Usu

Sprouter (branches often eaten by hare)
Seed dispersal: wind
f. albovariegata Kimura (フイリイヌコリヤナギ)
f. pendula Kimura (シダレイヌコリヤナギ)
Common cultivars

Hakuro Nishiki


Salix integra in Hokkaido

[1/2] Close to the parking lot of Mount Koma on July 8 2019. [3] close-up on July 9 2009. Do you see a insect gall on a leaf? [2/3] on the southwestern slope of Mount Koma. [4] near a graben created by the 2000 eruptions on Mount Usu on May 9 2014. [5] at a backyard of Takahara Restaurant at the foot of Mount Koma on May 2 2017. span class="gy">Records: the defoliation began in the crater basin of Mount Usu on September 19 2008. A patch on the summit area on July 12 2006. [6] around the Graduate School of Health Sciences of Hokkaido University on April 14 2022.