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(First upload on March 28 2012. Last on March 27 2017) [ 日本語 | English ]

Berberis japonica (Thunb.) R. Br.






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

Berberis L. (メギ)
Hiiraginanten (ヒイラギナンテン, 柊南天), Japanese barberry/mahonia
Tounanten (トウナンテン, 唐南天)
Life form: evergreen shrub < 3 m high (and < 3 m wide)
Distribution: Himalayas - southern China - Taiwan (exotic to Japan)
Habitat: sometimes escaped
Seed dispersal: dark or black fruits → animal
Leaf: imparipinnately compound (6-8 pairs of leaflets with a terminal leaflet)

Teaflet: similar with Hiiragi (ヒイラギ, Ilex aquifolium) leaf

Utilization: gardening (tolerant to drought) → cultivars and hybrids, e.g., Berberis × media
Mahonia Nutt. (ヒイラギナンテン), when established
M. fortunei (Lindl.) Fedde (ホソバヒイラギナンテン)
M. japonica (Thunb.) DC. (ヒイラギナンテン)
M. oiwakensis Hayata
Mahonia nervosa (Pursh) Nutt., widespread in the Northwest, leaves looking like Osmanthus heterophyllus
索引

Berberis japonica in Japan


ST1 ST2 ST3
ST4 ST5 ST6
[1/2] in West Ikebukuro Park, Tokyo, on March 14 2017. [3] at a park near the Tsukuba Station of Tsukuba Express, Ibaragi Prefecture, on March 7 2014. [4/5] at the imperial gardens in the former lawn (Shiba) detached palace, Tokyo, on May 29 2015. [6] along a paved road aside Sotogou Park (外濠公園), Tokyo, on November 18 2016. Discard: at the entrance of the imperial gardens in the former lawn Shiba detached palace, Tokyo, on September 21 2012; at the lava tumulus (溶岩塚) of the former Aizen Temple (愛染院), Mishima, on November 18 2009; at a roadside near the Nakasu Street of Kagoshima City, southern Kyushu, on March 21 2015.

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