John the Apostle
John 12:13ESV·traditional attribution

So they took branches of palm trees and went out to meet him, crying out, “Hosanna! Blessed is he who comes in the name of the Lord, even the King of Israel!”

John Calvin Reformed @genevareformer

13. Took branches of palm-trees. The palm was the emblem of victory and peace among the ancients; but they were wont to employ branches of palm-trees, when they bestowed kingly power on any one, or when they humbly supplicated the favor of a conqueror. But those persons appear to have taken into their hands branches of palm-trees, as a token of gladness and rejoicing at receiving a new king.

Matthew Henry Presbyterian @wholebiblehenry

This story of Christ's riding in triumph to Jerusalem is recorded by all the evangelists, as worthy of special remark; and in it we may observe, I. The respect that was paid to our Lord Jesus by the common people, Joh 12:12, Joh 12:13, where we are told, 1.

Commenting on John 12:12-19

John Gill Reformed Baptist @doctorgill

Took branches of palm trees,.... The Ethiopic version adds, "and young shoots from Jerusalem"; these grew in great plenty, on one part of the Mount of Olives, that next to Bethany, from whence that town had its name; for it signifies the house of dates, the fruit of the palm tree; See Gill on Mat 21:17.