page_title: Zanthoxylum piperitum
section_title: Description
hierarchical_section_title: Zanthoxylum piperitum / Description
caption_attribution_description: Deutsch&#x3a;&#32; Japanischer Pfeffer, Früchte und SamenEnglish&#x3a;&#32; Japanese pepper , fruits and seedsFrançais&#x202f;&#x3a;&#32; Poivre du Japon, fruits et graines
context_page_description: Zanthoxylum piperitum, also known as Japanese pepper, Japanese prickly-ash, or Korean pepper, is a deciduous aromatic spiny shrub or small tree of the citrus and rue family Rutaceae, native to Japan and Korea.
  It is called sanshō in Japan and chopi in Korea. Both the leaves and fruits are used as an aromatic and flavoring in these countries. It is closely related to the Chinese Szechuan peppers, which come from plants of the same genus.
context_section_description: The plant belongs to the citrus and rue family, Rutaceae.
  The tree blooms in April to May, forming axillary flower clusters, about 5mm, and yellow-green in color. It is dioecious, and the flowers of the male plant can be consumed as hana-sanshō, while the female flowers yield berries or peppercorns of about 5mm. In autumn, these berries ripen, turning scarlet and burst, scattering the black seeds within.
  The branch grows pairs of sharp thorns, and has odd-epinnately compound leaves, alternately arranged, with 5〜9 pairs of ovate leaflets having crenate (slightly serrated) margins.
  It is a  host plant for the Japanese indigenous swallowtail butterfly species, the citrus butterfly Papilio xuthus, which has also spread to  Hawaii.
caption: Fruit and seeds
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