I have several Alders with a horseshoe shaped trunk at the base and the heartwood is exposed. The ones I have felled typically have a void in the trunk also. Is there a name for this?
Alder stump is not typical shape but you see what I mean.
Alder I dropped the other day, showing the same symptoms:
![Disease or rot? Disease or rot?](https://www.hearth.com/talk/data/attachments/295/295911-43e5827682313c5f7c75a17fccdd8982.jpg)
Standing Cedar:
![Disease or rot? Disease or rot?](https://www.hearth.com/talk/data/attachments/295/295910-893625be1aea33957dd34af54de18905.jpg)
Alder stump is not typical shape but you see what I mean.
![Disease or rot? Disease or rot?](https://www.hearth.com/talk/data/attachments/295/295909-f2f0dbd5c1f928b0d7426a6b747a4a2d.jpg)
Alder I dropped the other day, showing the same symptoms:
![Disease or rot? Disease or rot?](https://www.hearth.com/talk/data/attachments/295/295911-43e5827682313c5f7c75a17fccdd8982.jpg)
Standing Cedar:
![Disease or rot? Disease or rot?](https://www.hearth.com/talk/data/attachments/295/295910-893625be1aea33957dd34af54de18905.jpg)