Chinese Elm (Ulmus parvifolia) 38 yrs

Do you think the rock is holding it up?

Looks as though they were going for the more upright look, so they put the rock there to encourage the tree to grow more upright. Not sure though, Terratoonie.

Seed lodges into crevice on rock. seed grows, roots clutch rock, grows longer to reack soil, finds soil, grows into this specimen.
Style: Root over rock.