The Grey barked elm, Zelkova serrata, is known in Japan as Keaki . The Zelkovas are a small genus of small trees allied to the Ulmus or Elms. Z. serrata is really one of the classic deciduous bonsai subjects of Japan.
It is native to the far east and was introduced into the UK in 1861. It acclimatises well to our conditions and as it’s classic status suggests has very good bonsai characteristics.
This little bonsai will be UK produced, probably by and enthusiast from either seed or more probably a cutting. Although it has been a bonsai a few years it seems to have had minimal shaping carried out so there are plenty of branches there to refine with pruning. It is 28 cm. high with branches spreading to 27 cm. It has an interesting and unusual base to the trunk which is 9 cm across at soil level, above this the trunk diam. is 2.5 cm. The pot is a plastic bonsai trainer 24x17x7 cm.