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Tree Dictionary

An illustrated book that summarizes everything you need to know about each type of wood, from fire retention and ignitability to hardness and corrosion resistance when bushcrafting.

Toxic treeTrees that should not be used for bonfires or bushcraft

Toxic treeTrees that should not be used for bonfires or bushcraft

  • Oleander

    Hardness :

    Holding :

    Spark :

    Ignit :

    It is highly toxic and contains poison in flowers, leaves, branches, roots, fruits, soil and smoke. It is also highly addictive enough to cause deaths. Extensive and powerful poison. The flower language is 'beware, danger, stay alert' ...Learn more
  • Lacquer

    Hardness :

    Holding :

    Spark :

    Ignit :

    A substance called Urushiol contained in sumac causes allergies. Even if you inhale the burnt smoke, your organs and lungs will become irritated and you will have difficulty breathing. In severe cases, there is an allergic reaction without touching. ...Learn more

Hardwood treeA tree with a flat leaf shape

  • Quercus crispula

    Hardness : ★★☆

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★☆☆

    Acorn tree. Japanese oak trees have excellent fire lasting and are easily available, making them popular as well-balanced firewood.
    Popular as firewood. ...Learn more
  • Quercus serrata

    Hardness : ★★☆

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★☆☆

    Acorn tree. Japanese oak trees have excellent fire lasting and are easily available, making them popular as well-balanced firewood.
    Quercus is especially popular as firewood and is also top class in popularity.
    You can enjoy the sound and smell. ...Learn more
  • Quercus acutissima

    Hardness : ★★☆

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★☆☆

    A Nara tree with acorns. It is one of the most popular firewood and boasts the power of a secret weapon in a home with a wood stove. About 10 years after planting, it can be used as firewood and has a short drying time. The price is high if you buy it as firewood. ...Learn more
  • Fagus crenata

    Hardness : ★☆☆

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★☆☆

    A beech family tree with acorns. I rarely see anything sold as firewood, but sometimes I sell scraps as firewood. It has high tensile strength and is excellent in bending, but it is easy to rot and bend, so if it is used in bushcraft, it is limited to an ad-hoc tool. ...Learn more
  • Diospyros kaki

    Hardness : ★★★

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★☆☆

    It is rarely used as firewood. Since there is no use for felled trees, it is only used as firewood.
    Like other hardwoods, it has longevity and firepower, but has a lot of ash. In addition, it is difficult to store it in a firewood hut because it is difficult to arrange it neatly because there are many things with uneven thickness and bending. ...Learn more
  • Cherry blossom

    Hardness : ★★☆

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★☆☆

    It has a long fire life, but it is inferior to oak trees such as oak. The bark is characterized by horizontal streaks. You can enjoy the sweet scent and it is also useful as smoked chips. ...Learn more
  • Acacia

    Hardness : ★★☆

    Holding : ★★☆

    Spark : ★☆☆

    Ignit : ★☆☆

    A mysterious tree that burns well even with raw wood (it smells a little before drying). It is considered a sacred tree in Israel. It is hard and heavy, so it is difficult to process, but it is also useful in bushcraft because it is strong in corrosion resistance and strength and does not easily shrink even when dried. ...Learn more
  • Robinia pseudoacacia

    Hardness : ★★☆

    Holding : ★★☆

    Spark : ★☆☆

    Ignit : ★★☆

    It has a unique smell before drying, but it burns better than willow and is often used as firewood. It is an exotic species and is also targeted for extermination, so it is easy to obtain ...Learn more
  • Robinia pseudoacacia

    Hardness : ★★★

    Holding : ★★☆

    Spark : ★☆☆

    Ignit : ★☆☆

    It is a tree with a lot of ash, and it is wrapped in the ash and the fire lasts a long time. It is normal if not covered with ashes.
    It is difficult to break or cut many clauses.
    Smells little smoke and smoke, and has a sweet scent.
    The White House seems to burn apple firewood when a special person comes.
    There is no response to saying "Hey Siri". ...Learn more
  • Ulmaceae

    Hardness : ★★★

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★★★

    Characteristics similar to zelkova of the same elm family. It has excellent fire power and little sparks, but it is hard and difficult to cut. Hard and difficult to use in bushcraft. ...Learn more
  • Zelkova serrata

    Hardness : ★★★

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★☆☆

    It has a long-lasting fire ★★★, but it is inferior to Nara trees. It is also popular as firewood, but it is hard and difficult to cut. It is also a tree that made many wood stove lovers buy electric tools. Since the sap entangles with the blade, it is recommended for maintenance after cutting the zelkova.
    Since it warps greatly during drying, it is disposable in Bushcraft (it is hard in the first place and not recommended). It seems that if you use anything at home, it will bend back as the house leans. ...Learn more
  • Pyrus pyrifolia

    Hardness : ★★☆

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★☆☆

    Not used as firewood, but has characteristics similar to oak and beech wood. It is difficult to cut because there are many bent trees because there are many trees that are grown low and wide so that fruits can be easily harvested. I like people who like it because it has a scent. ...Learn more
  • Cinnamomum camphora

    Hardness : ★★★

    Holding : ★★☆

    Spark : ★★☆

    Ignit : ★★☆

    Burning camphor trees with smoke has an insect repellent effect, but it smells a little. Please be careful as some people may come up with something.
    Since the fiber is thorny, it barely catches fire, but it is hard and hard to cut.
    Since a lot of ash is hard to collapse, it is difficult for the ash to fly in the wind. ...Learn more
  • Betula platyphylla

    Hardness : ★☆☆

    Holding : ★★☆

    Spark : ★★☆

    Ignit : ★★★

    Famous for its bark being an ignition agent. It is also used for hydration because a large amount of sap will come out when it is scratched.
    Since it contains a lot of oil, it is basically used for burning. There is little ash, but there is oil so raise black smoke.If you find it in undeveloped land, it has the effect of raising your tension a little. ...Learn more
  • poplar

    Hardness : ★☆☆

    Holding : ★★☆

    Spark : ★★☆

    Ignit : ★★★

    There are few commercially available firewood, but it is not difficult to obtain because it is planted as street trees. Since it is used as a shaft of a match, it becomes a category that easily burns. ...Learn more
  • Prunus mume

    Hardness : ★★☆

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★★☆

    Many plum trees are distorted and hard to cut, but they burn well like kunugi. It has a faint plum scent, but excessive expectations are prohibited.
    The blue fruit is poisonous and can't be eaten. ...Learn more
  • Maple

    Hardness : ★★★

    Holding : ★★★

    Spark : ★☆☆

    Ignit : ★★★

    It is a tree that burns as well as oak and kunugi, and is suitable for firewood for cooking because it has little smell and smoke. It's said that the firepower is medium. Since there are few straight trees and it has hardness, it is difficult to keep dividing with an ax. ...Learn more
  • Willow

    Hardness : ★☆☆

    Holding : ★★☆

    Spark : ★★☆

    Ignit : ★★☆

    It is as easy to ignite as a conifer, but the spread of fire is small. Since the amount of heat is lower than that of the main firewood, some people in the firewood stove world burn it as fire to see, not as heating in spring or autumn. As the name implies, a toothpick tree. Since the bark has an analgesic effect, it seems that he had become a toothpick because he used to chew on the branches to stop toothache. ...Learn more
  • Chestnut

    Hardness : ★☆☆

    Holding : ★☆☆

    Spark : ★★★

    Ignit : ★★★

    The characteristics are similar to conifers. Depending on the type, it burns well or not, and it burns differently, but it definitely blows up. Since the organs that absorb water are thick, the air that has accumulated there expands thermally and explodes. It doesn't rot easily, so you should make your favorite tool with Bushcraft. ...Learn more
  • Japanese Rowan

    Hardness : ★★☆

    Holding : ★★☆

    Spark : ★★☆

    Ignit : ★★☆

    Although it is called rowan because it is difficult to burn and remains burned even if it is burned at 7 degrees, it usually burns well.
    It is said to be the finest charcoal, and it seems that there is an old book that says, "Bincho charcoal is in the middle, the highest is rowan!".
    By the way, the red fruit contains a component called sorbic acid, which is used as a preservative, so it does not rot easily and keeps rolling on the soil.
    In Scandinavia it is a sacred tree that protects against evil. ...Learn more

Coniferous treeA tree whose leaves are thin and sharp like needles

  • Larch

    Hardness : ★☆☆

    Holding : ★☆☆

    Spark : ★★★

    Ignit : ★★★

    It is easy to burn and has little ash. Since many trees are managed by people, it grows straight and has no hardness, so it is easy to split. Compared to hardwood, it also burns about half as much as dry wood, so the price of wood sold as firewood may be low. ...Learn more
  • Pinus densiflora

    Hardness : ★★☆

    Holding : ★☆☆

    Spark : ★★☆

    Ignit : ★★★

    It is a tree that can be pine cones, and dried brown leaves and pine cones can be used for craters and burning. Put green leaves in a kettle and boil water to make tea. There are many tars and a lot of soot, but the amount of soot will be considerably reduced by secondary combustion, and soot will be less if the wood is well dried. It's not suitable for cooking because it is hard to leave. ...Learn more
  • Cryptomeria japonica

    Hardness : ★☆☆

    Holding : ★☆☆

    Spark : ★★★

    Ignit : ★★★

    The bark and leaves burn well and can be used for craters and burning. It burns out quickly and there is a lot of sparks and soot. Pollen people are hard. ...Learn more
  • Hinoki

    Hardness : ★☆☆

    Holding : ★☆☆

    Spark : ★☆☆

    Ignit : ★★★

    The bark and leaves burn well and can be used for craters and burning. Good ignitability and little ash. Since it is easy to process, it can be used from bushcraft to crafting. If you leave it as firewood, it smells like Japanese. Kunkkun ...Learn more
  • Momi

    Hardness : ★☆☆

    Holding : ★☆☆

    Spark : ★★★

    Ignit : ★★★

    It is easy to perish, so it is rarely seen as a fallen tree. Even if you make something with Bushcraft, it will rot. A tree used for Christmas trees. ...Learn more
  • Ginkgo

    Hardness : ★☆☆

    Holding : ★☆☆

    Spark : ★★☆

    Ignit : ★★☆

    A representative of "conifers, not needles". It is one of the oldest existing trees in the world.
    Since it is a tree that contains a lot of water and air bubbles and is used as a fire prevention tree, it does not burn easily when it is a raw tree. It is difficult to split because the fibers are also scattered.
    It is well drained and soft enough not to damage the blade, so it is used for cutting boards.
    Of course, the smell of ginkgo can be obtained from burnt smoke.
    *Strictly speaking, the method of separating broad-leaved trees and conifers is how to make seeds, not the shape of leaves. ...Learn more
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