tree tissue question

[speelyei]

removed a Rhamnus purshiana, better known around here as a Chittum tree today. Three codominant stems, cracked into three pieces down through the stump. Now, there was a obviously a large fissure creating a void, included bark and all that good stuff, but, look at the pic...

 

[speelyei]

doesn't that look like the tree started growing new root tissue along the top of the ram's head there? Is that something some species are able to do? i thought the specialised tissues were pre-programmed... that the cambium layer on the trunk would simply produce xylem and phloem, branch and trunk tissues, maybe the occasional latent bud..
here's another pic (attached).

 

[didjon]

Speelyei,
They look very much to me to be adventitous roots.Possibly from induced primordia by division of parenchyma cells.(Angeles et al.,1986)

Nice pic interesting stuff.

Didj

 

[Toparboring]

I have seen this before in trees where there are viods, and then filled in with debrie adventitious roots. I think it is alot like over mulching a tree and new roots come out in the mulch. nice pics by the way.
Nate