Wild plants in and around Shimane 島根とその周辺の野生植物


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Zanthoxylum piperitum / Sanshou サンショウ

Bloom time: April-May

Rutaceae /


Species in the genus Zanthoxylum:

Zanthoxylum piperitum / Sanshou
Zanthoxylum schinifolium (fruit) / Inuzanshou


Zanthoxylum piperitum / Sanshou サンショウ

Zanthoxylum piperitum, a deciduous shrub with gray-brown barks with prickles, found in damp forests or edges in hills or mountainous regions, grows to 1-1.5m in height, 8-15cm in diameter. The leaves of an imparipinnate compound leaf are alternate, 5-18cm long, with wings on rhratis (leaflets' typical stalks). Petioles, 1-2cm long, are with ditches on upper surfaces, occasionally stickles, and brochures, 5-9 pairs, measure1-3.5cm long, 6-14cm wide, in an ovate or ovate-like oblong shape, with tips obtuse, bases obtuse or cuneate, and margins with wavy serrations, and bright glandular dots in dented parts. Branch tips emerge 2-5cm-long panicles and set small light yellow-green flowers. Bloom time: April-May.




inserted by FC2 system