The sacred tamarisk of Osiris. The tamarisk was a holy tree, fro having been chosen to overshadow the sepulchre of Osiris in commemoration of the fable of the chest containing his body having lodged in the branches of one of those trees on the coats of Byblus, where driven ashore by the waves of the sea, it was discovered by Isis.
Sacred Plants in Ancient Egyptian Gods
Ancient Images
Bible History Online