Acanthopanax ricinifolius Seem

Acanthopanax ricinifolius Seem. (Kalopanax ricinifolius [Sieb. Zucc.] Miq, Kalopanax pictus [Thunb.] Nakai, Acer pictum [Thunb], Acanthopanax ricinifolium [Sieb. Zucc.] Seem, Kalopanax septemlobus Koidz. var septemlobus, Panax ricinU folium Siebold Zucc, Kalopanax ricinifolium Miq, Kalopanax pictum Nakai), or prickly ginseng, castor Aralia, prickly castor oil tree, or tzu ch iu shu (Chinese), is a deciduous tree that grows to 25 m in Siberia, Korea, Japan, and China. The bark is gray mottled with yellowish-white the stems are thorny and the leaves simple and palmate (Fig. 67). 

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