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(First upload on Jan. 8 2008. Last on September 5 2023) [ 日本語 | English ]

Weigela Thunb. (タニウツギ) Tani·utsugi (タニウツギ, 谷空木) (many other Japanese common names), (oldfashioned) weigela Beni-utsugi (ベニウツギ, 紅空木) Lifeform: deciduous shrub < 5 m in height Distribution: endemic to Japan (from western Hokkaido to Japan Sea-side of Honshu) Habitat: disturbed areas, including secondary forests (often developing the shrublands)

Mount Koma (flora) Flower: pink ↔ W. middendorffiana: pale yellow Leaf: dense, white hair on the back (developed by this species only in Weigela) Utilization: gardening, medicine, food (bud), etc. f. albiflora (Sieb. et Zucc.) Rehder (シロバナウツギ, シロバナタニウツギ)

Weigela hortensis in Hokkaido

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Mount Koma

01 02 03
04 05 06
[1] on the southwest slope on July 4 2002. [2] at the summit on June 15 2010. [3] on the southwest slope on June 11 2002, and [4/5] on June 18 2014. [6] on June 20 2022.

Hokkaido

1 2 3
4 5 6
[1] at a riverside for field training on integrated environmetns near Usujiri, southern Hokkaido, on June 16 2015. [2/3] probably a transplanted tree in front of the office building of Shizunai Experimental Farm of Hokkaido University, south-central Hokkaido, on June 17 2016. [4-6] in an area where the Otaru-Yoichi wind farm was planned on June 15 2023.