Jack Lin Bonsai - Chokkan or Formal Upright Style Bonsai. This technique mimics trees growing naturally in the wild with a straight upright trunk. The shape of the tree is triangular with
![File:Pescia, museo del bonsai, olea europea stile chokkan (eretto formale), da italia, circa 30 anni.jpg - Wikimedia Commons File:Pescia, museo del bonsai, olea europea stile chokkan (eretto formale), da italia, circa 30 anni.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Pescia%2C_museo_del_bonsai%2C_olea_europea_stile_chokkan_%28eretto_formale%29%2C_da_italia%2C_circa_30_anni.jpg/1200px-Pescia%2C_museo_del_bonsai%2C_olea_europea_stile_chokkan_%28eretto_formale%29%2C_da_italia%2C_circa_30_anni.jpg)
File:Pescia, museo del bonsai, olea europea stile chokkan (eretto formale), da italia, circa 30 anni.jpg - Wikimedia Commons
![Goyomatsu pine Bonsai in Chokkan style. #bonsai By: Michael Bonsai See: www.bonsaiempire.com/bonsaioftheday | Plantas bonsai, Bonsai, Árboles bonsai Goyomatsu pine Bonsai in Chokkan style. #bonsai By: Michael Bonsai See: www.bonsaiempire.com/bonsaioftheday | Plantas bonsai, Bonsai, Árboles bonsai](https://i.pinimg.com/originals/88/ae/1b/88ae1bc7f1a08523d931e25ec01a4265.jpg)