(First upload on August 8 2013. Last on September 1 2023) [ 日本語 | English ]

Weigela coraeensis Thunb.

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

Weigela Thunb. (タニウツギ)
Hakone·utsugi (ハコネウツギ, 箱根空木), Hakone weigela* (*: tentative)
Genpei-utsugi (ゲンペイウツギ, 源平空木)
Lifeform: deciduous shrub
Distribution: Japan (southern Hokkaido - Kyushu)
Habitat: seashores (sunny or lightly-shade on well-drained soil)

Field training on integrated environmental research (統合環境調査法実習)

Flower color: white → red
Utilization: gardening

Weigela amabilis (Carrière) Hort. ex Hook.

var. fragrans (Ohwi) Hara (ニオイウツギ, 匂空木)

Distribution: endemic to Izu Islands
Corolla: shorter than the type
Flower: white → pale red

f. alba (Voss) Rehd. (シロバナハコネウツギ)
f. rubriflora Momiyama (ベニバナハコネウツギ)

Weigela coraeensis in Hokkaido

Weigela1 Weigela2
[1/2] on the Arutori Cape, Date City, southern Hokkaido, on July 25 2013.

var. fragrans (ニオイウツギ)

Weigela1 Weigela2 Weigela3
[1-3] at the middle of Mount Mihara, Izu-Oshima Island (伊豆大島), on June 7 2023.