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Thread: Pepperina tree - an enigma
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8th January 2021, 08:45 AM #1
Pepperina tree - an enigma
The introduced pepperina tree (Schinus molle - native to Brazil) is a strange sort of beast. It often looks like a giant, unkempt bonsai. This gnarled old thing at MIL's place is so full of hollows there is more space than wood in the trunk & the the main branches. It provides numerous nesting holes for Wood ducks & Pardalotes which have raised successive broods in it for many a year: Schinus molle.jpg
It surprises me that the wood, when green, seems very brittle, a branch as thick as a thumb snaps as easily as a carrot, yet the tree insists on throwing out these ridiculously long, horizontal branches. It's remarkable the root of the branches can support the weight. Of course they do occasionally succumb to high winds, I've had to clean up some pretty substantial windfalls over the last dozen years or so. I have noted that termites have had a go at it from time to time, but the nests don't seem to persist, so I have always assumed the spicy wood is toxic or at least very unpalatable to termites (the green sawdust sure stings if it gets in your eyes!). On the other hand some wood-munching insects seem to relish a good curry and have contributed to weakening some branches: Schinus borer holes.jpg
I once tried splitting up sections of a large & mostly sound branch for firewood - it simply refused to split! I gave up in exasperation after the maul bounced off it for the umpteenth time & tossed the billets at the back of the wood heap to see if they would be more cooperative when dry. After a couple of years I had another go at them, & this time they split a little less reluctantly, to reveal some rather spectacular spalting. The billets were a bit too weathered & checked to get significant-sized pieces out of them, but I made some clamp jaws from what I could salvage: Schinus clamp jaws.jpg
The dry wood is softish, which is good because I prefer softer wood for clamp jaws as they cause less marring, but it's surprisingly tough & has taken a good, strong thread. All woods are tougher when dry, of course, but this stuff seems to undergo a remarkable transformation.
Has anyone else found a good use for the stuff (it's not all that great as firewood, by the way)?
Cheers,IW
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8th January 2021, 12:17 PM #2Senior Member
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Has a heap of medicinal uses
Also produces a chewing gum and essential oils
Very durable wood that is also very heavy apparently
Applications include fence posts and fancy turnery
Really interesting species this one as it also has a lovely growing form...Mr Fiddleback
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8th January 2021, 01:23 PM #3
Not sure I'd choose it for any in-ground applications Mr. F. Large branches from both trees on MIL's place rot very quickly if left on the ground. While it's certainly heavy when green, it is only moderately dense when dry. This site quotes a range of .54 to .68, & I'd reckon what I've played with would be at the low end of that range. If, as I read somewhere, all of the trees growing in Aust come originally from a small lot of seeds brought into Adelaide, it's likely the trees here represent a pretty restricted gene pool, so properties of the wood in its native habitat may vary widely from what we find here.
'Twould be a very interesting wood if you could reliably get it to spalt & colour like my bit of 'rescued' firewood!
Cheers,IW
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13th January 2021, 01:45 PM #4
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13th January 2021, 02:31 PM #5Originally Posted by IanW
Perhaps you are trying too hard to find an alternative use for this timber? If its properties are not self evident, then why destroy the home of the birds?
By the way, Queensland Health have issued a mild safety warning on Pepperina trees.
Pepperina (Schinus molle) | Queensland Poisons Information Centre
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13th January 2021, 03:23 PM #6Woodworking mechanic
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13th January 2021, 07:18 PM #7
You are absolutely right, Lappa! And yes, Graeme, as a twitcher of very long standing, I would be very loathe to destroy bird habitat wantonly!
But there are three fairly large trees up there, all of which have shed some sizeable branches from time to time, and I do like using wood that is presented to me on a platter, so to speak. I'll take TTIT's hint & chuck some bits of the next big branch that falls behind the shed & let the fungi work their magic. I've never known how you tell when to arrest the process though. I had some jacaranda that a neighbor chucked on his woodpile, which spalted beautifully, with sharp black lines in a crazy spider-web pattern. It would have been magnificent if I'd got it about a year before I did, but by the time I cut it open, the wood between the spalt lines had deteriorated too far & large patches crumbled when worked.
I suppose it's just semi-educated guesswork....
Cheers,IW
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14th January 2021, 10:07 PM #8
All good, Ian. Its just a little something to which I am becoming increasingly sensitised.
Down here, over half the indigenous bird species nest in tree hollows as do a significant proportion of marsupials, bats and other small animals. It takes over 100 years for a eucalypt to grow large enough and for the hollows to form. The along come the "sustainable forestry" geniuses and clear fell everthing. Without nesting sites those multitude of birds and animals instantly become locally extinct for the next 100 years.
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