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(First upload on June 18 2012. Last on March 20 2017) [ 日本語 | English ]

Zanthoxylum piperitum (L.) DC.






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

Zanthoxylum L. (サンショウ) in Japan


Z. ailanthoides Sieb. et Zucc. (カラスザンショウ)
Z. amamiense Ohwi (アマミザンショウ)
Z. armatum DC.

var. armatum (トウフユザンショウ)
var. subtrifoliatum (Franch.) Kitam. (フユザンショウ)

Z. beecheyanum K. Koch (イワザンショウ, s.l.)

var. beecheyanum (イワザンショウ, s.s.)
var. alatum (Nakai) H. Hara (ヒレザンショウ)

Z. bungeanum Maxim. (カホクザンショウ)
Z. fauriei (Nakai) Ohwi (コカラスザンショウ)
Z. integrifoliolum (Merr.) Merr. (ネワタノキ)
Z. nitidum (Roxb.) DC. (テリハザンショウ)
Z. piperitum (L.) DC. (サンショウ)
Z. pistaciiflorum Hayata (ヒメハゼザンショウ)
Z. pteropodum Hayata (アリサンザンショウ)
Z. scandens Blume (ツルザンショウ)
Z. schinifolium Sieb. et Zucc. (イヌザンショウ)
Z. simulans Hance (トウザンショウ), China
Z. wutaiense I. S. Chen
Z. yakumontanum (Sugim.) Nagam. (ヤクシマカラスザンショウ)

Zanthoxylum piperitum in Hokkaido


Sanshou (サンショウ, 山椒), Japanese peppertree
Lifeform: deciduous shrub < 5 m high
Distribution: southern Korea - Japan
Habitat: forests
Chromosome number: 2n = 70
Use: spicy seed → wild vegetable (山菜)

(O = Ohwi & Kitagawa 1983, K = Kitagawa & Murata 1979, S = Satake et al. 1989)

Varieties, including cultivars
f. brevispinosum Makino (ヤマアサクラザンショウ, 山朝倉山椒): less spines, showing intermediate morphology between piperrum and f. inerme, (native in Honshu and Shikoku) (O)
f. corticosum Kusaka (アツカワサンショウ), thick bark (O)
f. hispidum Hayashi (アラゲザンショウ), brown, dense hair hair, in Miyagi (O)
f. inerme (Makino) Makino (アサクラザンショウ, 朝倉山椒): large fruit, no spines (cultivated) (O, K, S)
f. ovalifoliolatum (Nakai) Makino (リュウジンザンショウ, 竜神山椒): 3-5 oval leaflets (only in the Ryujin region of Wakayama Prefecture (O, K, S)
f. rotundatum Yokouchi (シダレヤマアサクラザンショウ)
f. verrucatum Kusaka (イボザンショウ), in Honshu (O)

ST1 ST2 ST3

索引

ST4 ST5
[1-4] transplanted at a home garden on N20/W4, North Ward, Sapporo, on June 1 2012. [5] in Tsukiura Forest Park faced to Toya Lake on September 15 2015.

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