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