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What is strongest wood in the world?

Lignum vitae is one of the heaviest, hardest woods in the world. By comparison, while wenge is still a rather hard and heavy wood, it's considerably lighter and softer than the lignum vitae—yet its modulus of elasticity (on average) is higher than that of lignum vitae.

wood-database.com - World's Strongest Woods - The Wood Database

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So these three terms, along with Janka hardness, will form the four ingredients that we will use to come up with an overall picture of a wood’s strength level. We need to create a multi-faceted profile to come up with a well-rounded representation of what is “strong.” The problem is that each of these tests use completely different units of measurements, scales of magnitude, and are generally not directly comparable. Each of these facets will need to be standardized on a scale that preserves their significance, but strips them of their units of measurement.

So, let’s find the world’s strongest wood

What I’ve done is taken each of the four tests of wood strength (Janka hardness, MOE, MOR, and crushing strength) and found which species were the best and worst in that category, and then use those values as the upper and lower limits. (This is limited to the data I have on hand at the present, and could be revised or updated at a later time.) All the values in each category were then subtracted by the amount of the lower limit to serve as a baseline zero. Next, each of the values were divided by the upper limit for each category, and then that value is multiplied by 100 to serve as a percentage, and voila! We have a straightforward ranking from 0-100 in each of the four categories. This ranking would represent, as a percentage, how strong a given wood is in comparison to the species with the top mark for that category. Averaging across the four categories gives us an overall “strength index” from 0-100. A perfect score of 100 would be theoretically impossible unless a single wood species was the leader in all of the four tests (hint: none of them led in even two categories).

Let’s first review the leaders in each category:

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What tree smells like peanut butter?

Clerodendrum trichotomum Clerodendrum trichotomum (Harlequin Glorybower, Peanut Butter Tree) | North Carolina Extension Gardener Plant Toolbox.

plants.ces.ncsu.edu - Clerodendrum trichotomum (Harlequin Glorybower, Peanut ...

Harlequin glorybower is an open, unkempt, multi-stemmed shrub. Plant in full sun to light shade in, well-drained soil. Mulch the roots heavily in the fall to protect them through the winter, otherwise, they may not survive. This plant has fragrant white flowers on 6-9 in. racemes in summer. When the leaves are crushed they give off a peanut butter fragrance, hence one of the common names. Flowers are followed by bright blue drupes. Use as a hedge for privacy screening, in a shrub border or along the margin of a woodland garden.

Insects, Diseases, and Other Plant Problems: No serious problems.

VIDEO created by Ryan Contreras for “Landscape Plant Materials I: Deciduous Hardwoods and Conifers or Landscape Plant Materials II: Spring Flowering Trees and Shrubs” a plant identification course offered by the Department of Horticulture at Oregon State University

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