(First upload on October 14 2013. Last on April 6 2021) [ 日本語 | English ]

Salix triandra L. ssp. nipponica (Franch. et Sav.) A. K. Skvortsov

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

Salix L. (ヤナギ)
Salix triandra L. (タチヤナギ, s.l.)
Common English name: almond willow or almond-leaved willow
Distribution: Europe - Asia, incluidng Japan
ssp. nipponica (Franch. et Sav.) A. K. Skvortsov
Tachiyanagi (タチヤナギ, 立柳)
Lifeform: deciduous short tree ≈ 10-15 m high
Distribution: northern and eastern China - Korea - Japan (Kyushu - Hokkaido) - Ussuri
Habitat: riparian, such as streamsides and wetlands
Petiole: ≈ 1-2 cm long
Leaf: margin is serrate, and the back is pruinose and pale green
Seed dispersal: wind

Salix triandra L. var. nipponica (Franch. et Sav.) Seemen
Salix nipponica Franch. et Sav.
Salix subfragilis Andersson (commonly used)

ssp. triandra (セイヨウタチヤナギ), the type
var. hoffmanniana Bab.: Great Britain

Salix triandra ssp. nipponica in Hokkaido

[1-3] at a small branch stream near Satsunai River, eastern Hokkaido, on August 24 2013. [4] along Shiratori River in the Furano Experimental Forest of the University of Tokyo, central Hokkaido, on June 29 2017.