Midrash su Salmi 22:13

(Fol. 80b) Does not the root of a cedar tree reproduce branches? Has not R. Chiya b. Lulynil lectured: "What is the meaning of the passage (Ps. 22, 13) The righteous shall spring up like a palm tree, like a cedar? etc. Why are both trees mentioned? If it mentioned the cedar only, one might say that just as the cedar does not yield any products, so is the upright. Therefore it mentions the palm trees. And if the latter only were mentioned, one might say that just as a palm tree does not improve after being cut off, so is the righteous. Therefore, both are mentioned. Hence we see that a cedar does improve." This speaks of different kinds of cedars which do improve; for Rabba b. R. Huna said: "There are ten different kinds of cedars, as it is said (Is. 41, 19). I will plant in the wilderness the cedar, the shittah-tree, etc.