Seemed to be growing on maple.
the epiphyte on the tree.
Phorophyt is an old tree of Robinia pseudoacacia with its deep-fissured bark. In an accumulation of moss and debris (could be called elevated soil) in a crevice of the bark several stalks of Chelidonium are growing. No clue if it is one plant only or several plants. Dry Chelidonium parts beneath the green ones.
Below the tree a substantial amount of Chelidonium can be found. Is it the source of the epiphytic plant or a result of its seeds?
Little clustered pairs of green epiphytic leaves growing on the side of a tree.