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(First upload on May 5 2009. Last on September 13 2021) [ 日本語 | English ]

Sambucus L. (ニワトコ) ssp. racemosa (セイヨウアカミニワトコ), the type in North America and Europe ssp. sieboldiana (Miq.) Hara (ニワトコ, 接骨木/庭常) Distribution: China - southern Korea - Japan (not in Hokkaido) Habitat: common on mountain hills Stem: 3-6 m tall Dormant bud: sharp top var. major (Nakai) Murata (オオニワトコ) f. aurantiaca (Nakai) Hara (ダイダイミノニワトコ) f. dissecta Murata (サケバニワトコ) f. glaberrima (Nakai) Hara ex Honda (ケナシニワトコ) f. macropylla Hara (オオバニワトコ) f. nakaiana Murata (キミノニワトコ) f. ovatifolia Hara (マルバニワトコ) f. stenophylla (Nakai) Hara (ケオオニワトコ) ssp. kamtschatica (E. L. Wolf) Hultén

Ezoniwatoko (エゾニワトコ, 蝦夷接骨木), red elder Lifeform: deciduous shrub Distribution: Russian Far East - Korea - Japan (Hokkaido - northern Honshu) Habitat: woodlands - forests HUSTEP: Plants and Plant communities in Japan (flora list) Seed dispersal: animal Leaf: dense > ssp. sieboldiana Inflorescence: granular process → extended, hair-like Chromosome number: 2n = 38 Synonyms: Sambucus sieboldiana (Miq.) Blume ex Graebn. var. miquelii (Nakai) H. Hara, excl. basionym Sambucus racemosa L. var. miquelii auct. non Nakai Sambucus kamtschatica E. L. Wolf f. aureocarpa (Hara) Hara ex Honda (キミノエゾニワトコ)

f. hiraii (Miyabe et Tatewaki) Hara ex Honda (ホソバエゾニワトコ) f. nakayamai (Yanagita) Hara ex Honda (ビロードエゾニワトコ) f. nuda Hara (ケナシエゾニワトコ) f. platyphylla (Miyabe et Tatewaki) Hara ex Honda (ヒロハエゾニワトコ)

Sambucus racemosa L. in Japan

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ssp. sieboldiana (ニワトコ)

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[1-3] in the Koishikawa Botanical Garden (小石川植物園), the University of Tokyo, on March 16 2017. [4-6] on a bank along Sophia Street, Chiyoda Ward, Tokyo, on May 24 2019.

ssp. kamtschatica (エゾニワトコ)

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4 5 6
[1/2] at the backyard of the university co-op central restaurant on April 29 2008. [3/4] at the backyard of the Institute of Low Temperature Science, Hokkaido University, Sapporo, on May 19 2016. [5] fruits in Genshirin on July 23 2009. [6] along O-sawa Course in Nopporo Forest Park on July 17 2021. Records: inflorescences found in Genshirin (原始林) or Keiteki-no-mori Forest (恵迪の森) on May 19 2008. Around the accomodation of Teshio Experimental Forest, northern Hokkaido, on August 30 2021. Red fruits along a walkboard in a post-mined peatland near Sarobetsu Visitor Center, northern Hokkaido, on August 21 2022.