### substance | wood:

Poplar
* All poplars are deciduous, but leaves and canopy shape is different among the trees.
* are a type of tree with small leaves
  - amongst the easiest of all trees to propagate and grow
  - considered short-lived trees
  - problem-prone plants that require more care than other trees
  - rapid growers
  - well-known deciduous trees
* grow from southern New England southward to Florida and westward to Missouri.
* have their interest as specimen trees as distinctly as do other kinds of trees.
* is wood
* require short days to get their dormant mechanism in gear.
* usually are ready for use as biomass energy at five years.

### substance | wood | poplar:

Hybrid poplar
* has a lower ratio of tangential to radial shrinkage than native cottonwoods.
* is made into everything from toothpicks to high-quality veneers and papers.

Recycled wood
* is another promising source of fiber
  - used as a reinforcing filler in thermoset plastics and thermoplastics
* is used to repair and make new pallets and wood cartons
  - trim out the walls, floors and ceiling

### substance | wood:

Redwood
* Most redwoods have resistant wood
* also sprout from the base, much the same way as rose bushes grow suckers.
* are a member of the Sequoia family
  - also extremely long-lived trees
* are among the longest-lived and largest entities on the planet
  - oldest living organisms as well as being among the largest
  - attractive, but they tend to dry out quickly
  - one of life's most permanent forms
  - the tallest trees in the world
  - unique trees for several reasons
  - very fast growing
* can also be very old
  - grow tissue to heal fire scarring, sometimes completely covering the scar
  - reproduce asexually by layering or sprouting from the root crown or stump
  - resist many elements that cause most trees to fall
* develop the greatest reported volume of living matter per unit of land surface.
* does require annual sealing to maintain it s color.
* form magnificent forests along the Pacific Coast of northern and central California.
* has little or no messy pitch or resins
  - no chemical additives and resists warping and splitting better than other woods
* have a system of interconnected wood cells for carrying water
  - no aging mechanisms, are extremely resistant to disease and have few natural enemies
* is an excellent wood for wine storage systems
  - beautiful and is naturally resistant to rot and decay and is insect resistant
  - moderately resistant to preservative treatments
  - more insect repellent in all-heartwood grades than other woods, yet it is lightweight
  - one of the world's botanical wonders
  - rated as resistant to very resistant to heartwood decay
  - soft, but weathers to beautiful gray in sunlight
* is the common name for two species, both native to California
  - layman's name for the tallest trees in the world
  - only softwood in the country that sprouts from stumps
  - perfect wood for the manufacturing of wine cellars
* natural deterrent to the effects of weather and damage by insects
* naturally resists decay caused by the environment or by insect infestation.
* rely on the fog that envelops the coast in the summer.
* reproduce and propagate by sending new shoots up from a burl at the ground level or below
  - two ways
* reproduces both sexually and asexually.
* softer wood.
* transmits no odor or taste to fluids.
* trunks as wide as a farmer's silo are common.
* works easily with both hand and machine tools, with little dulling effect on tools.

### substance | wood | redwood:

Big tree
* are people.
* break if they don t bend and flow.
* have big root systems, usually extending at least as far from the trunk as the canopy.
* support small trees.
* survive, but many young seedlings perish, along with many ferns and wildflowers.
* take a long time to grow.