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Monday, Time to repoint.

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Monday, Time to repoint.

#1

Monday, Time to repoint.

Lumber with center cut pieces (wood containing the stem) where the pith is visible deserves attention because by looking at the shape of the cellular characteristics (in this example, shapes) of that center one can identify the wood species. Not all woods have the expected round rings as so often seen, for example, in pressure treated 4x4s, 4x6s, or 8x8s. So for a gold star what wood(s) show a five �pointed� star shaped pith shape. What wood center has a triangular shape? What wood center shows a relatively square shape?

Re: Monday, Time to repoint.

#2

Re: Monday, Time to repoint.

I just looked at walnut, oak, bradford pear, cherry and mesquite. None of the shapes you are looking for. This eliminates a few.

John

Re: Monday, Time to repoint.

#3

Not so fast, one of them is one(of many)

Re: Monday, Time to repoint.

#4

Dale Lenz

Re: Going to learn something new, today.

For one of three; oak will always be a star wood. Will be interesting to learn of the others. Thanks for the question.

Re: Monday, Time to repoint.

#5

Re: Going to learn something new, today.

I seem to remember that cottonwood has a star shape also. Of course, sometimes my rememberer doesn't remember too good ;-)

Re: Monday, Time to repoint.

#6

I can see that I'm goin

to need a whole new box of stars today. Two correct so far, more later.

Re: Monday, Time to repoint.

#7

Dale Lenz

Re: Also, in referencing our...

Forest Trees of Oklahoma, Alder has a 3-angled pith, triangle(?). And according to our new forester, Rosalee, the mulberry family has triangled piths also.

Re: Monday, Time to repoint.

#8

Dale Lenz

Re: Squarish pith...

Kan't find a picture of a hickory pith. But is said to have five sides, kould that have the squarish look?

Re: Monday, Time to repoint.

#9

Re: Monday answer

Thanks to all for avoiding the all too easy pithy humor. Still, I can�t resist. It could have turned out to be a big pithy contest but instead we have enough awards to go around to several classroom victors. Dale looks like an early General Patton as he gets the star for Alder being triangular. And he gets another for the Oak as a tree with pentagonal pith, yet another for volunteering a rumor about the Hickory's. Dan gets one for pentagonal shaped Cottonwood pith. The Gums (Sweet, Sour, and Red and Black) �Tupelo, and Chestnut too--pentagonal shaped pith. The other triangular piths are Beech and Birch. The square(ish) is Teak. So visit your lumberyard today.

The main source is: "Identifying Wood" by Bruce Hoadley, p59. However, if you go to the net and do �Wood pith and star�, and �shape�, other woods will show up through various links.

I tried Mulberry sites to support the triangular shape contention but no confirmation there. It�s not wrong but not supported--yet.

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