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(Upload on February 26 2014) [ 日本語 | English ]

Zanthoxylum L. (サンショウ) karasuzanshou (カラスザンショウ, 烏山椒), Japanese prickly-ash Lifeform: deciduous short tree ≈ 8 m in height (occasionally 15 m) Distribution: Philippines - China - Korea - Japan (except in Hokkaido) Habitat: pioneer forests, such as in secondary forests Spine → dangerous

Synonyms: Fagara ailanthoides (Siebold et Zucc.) Engl. var. ailanthoides f. espinosum Yonek. (トゲナシカラスザンショウ) var. inerme Rehder et E. H. Wilson (アコウザンショウ) f. pubescens (Hatus.) H. Ohba (ケカラスザンショウ

Zanthoxylum ailanthoides in Japan

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[1-4] on the 6th trail near the summit of Mount Takao (590 m elevation), Tokyo, on October 21 2013 ⇒ Mount Takao forest for recreational use (高尾山自然休養林). [5] in Botanic Gardens, Tohoku University, Natural Monument Aobayama, northern Honshu, on March 23 2016 ⇒ bark (樹皮)