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(First upload on January 3 2013. Last on November 22 2022) [ 日本語 | English ]

Rubus L. (キイチゴ) R. idaeus L. Lifeform: deciduous shrub < 1.5 m high Habitat: sunny forests, such as edges, and trails Morphology: diverse → difficulties in the taxonomy of subspecies Seed dispersal: animal → edible plant ssp. melanolasius Focke Ezoichigo (エゾイチゴ, 蝦夷苺), red raspberry Ezokiitigo (エゾキイチゴ, 蝦夷木苺) Urajiroezoitigo (ウラジロエゾイチゴ, 裏白蝦夷苺) Karafutoichigo (カラフトイチゴ, 樺太苺) Distribution: Korea - northern Japan - Sakhalin - southern Kuril Synonyms: Rubus sachalinensis H. Lev. Rubus matsumuranus H. Lev. et Vaniot (Satake et al. 1989)

Rubus idaeus L. var. matsumuranus (H. Lev. et Vaniot) Koidz. Rubus idaeus L. var. aculeatissimus C. A. Mey. Rubus idaeus L. ssp. sachalinensis (H. Lev.) Focke f. concolor (Kom.) Ohwi (カナヤマイチゴ), green on the backside of leaf, not pubescence, Hokkaido - Korea (controversial) ssp. idaeus, the type Oushu-ki-ichigo (オウシュウキイチゴ, 欧州木苺) ミヤマウラジロイチゴ, 深山裏白苺 (Kitamura & Murata 1979) ⇒ central and northern Honshu and Europe Sepal = no glands ⇔ ssp. melanolasius = glands Cultivars: many ssp. nipponicus Focke (ミヤマウラジロイチゴ, s.l.) var. hondoensis Koidz. (ミヤマウラジロイチゴ, s.s.)

var. shikokianus (Ohwi et Inobe) Kitam. et Naruh. (イシヅチイチゴ) f. marmoratus (H. Lev. et Vaniot) Kitam. (シナノキイチゴ)

Rubus idaeus in Hokkaido

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ssp. melanolasius (エゾイチゴ)

1 2 3
[1/2] at a small stream near Tomamu skislope, central Hokkaido, on June 24 2013. [3] near a Picea glehnii forest in the Uryu Experimental Forest of Hokkaido University, northern Hokkaido, on May 29 2018.

ssp. idaeus (オウシュウキイチゴ)

1 2 3
4 5 6
[1-4] at a hedgerow around Fuji Kindergarten, North Ward, Sapporo, on August 5 2016. [5/6] expanded from a house garden in N22/E2, East Ward, Sapporo, on June 3 2022.