Zanthoxyllum piperitum - Japanese pepper bonsai 25S:

It is native to central and eastern Asia, from the Himalayas to Japan. She's bark is redish-brown, winged leaves rubbed with a pleasant, spicy pepper smell. Its small flowers are yellowish-green.
It can be kept indoor, it requires warm temperature and light. It can be placed in a semi-shaded place outdoors during the summer. It is a water demanding species, always keep its soil evenly moist. Pruning can be done from spring to autumn, cutting the elongated shoots into two pairs of leaves. We also wire it in the spring, making sure that its branches can easily break. Every two years, in the spring, it is advisable to transplant it to Akadama or a bonsai soil mixture. Nutrient supply can be solved with BIOGOLD or OSMOCOTE.