Matthew 21:1

And when they [i.e., Jesus and the twelve apostles] approached Jerusalem and came close to Bethphage, near the Mount of Olives [Note: This was about three-fourths of a mile east of Jerusalem], Jesus sent two disciples on ahead,

John 12:13

[So], they took branches from palm trees and went out to meet Him, shouting, "Hosanna [Note: See Matt. 21:9 for the meaning of this word], may He, the King of Israel, be praised, for He comes in the name [i.e., by the authority] of the Lord!"

Revelation 7:9

After seeing [all] these things, I looked and there [I saw] a huge crowd, which no one could count, from every nation, and tribe, and race, and language group standing in front of the throne [of God] and in front of the Lamb. They were dressed in white robes and had palm tree branches in their hands.

Treasury of Scripture Knowledge

Summary

And that they should publish and proclaim in all their cities, and in Jerusalem, saying, Go forth unto the mount, and fetch olive branches, and pine branches, and myrtle branches, and palm branches, and branches of thick trees, to make booths, as it is written.

The mount

General references

Bible References

The mount

Matthew 21:1
And when they [i.e., Jesus and the twelve apostles] approached Jerusalem and came close to Bethphage, near the Mount of Olives [Note: This was about three-fourths of a mile east of Jerusalem], Jesus sent two disciples on ahead,

Palm

John 12:13
[So], they took branches from palm trees and went out to meet Him, shouting, "Hosanna [Note: See Matt. 21:9 for the meaning of this word], may He, the King of Israel, be praised, for He comes in the name [i.e., by the authority] of the Lord!"
Revelation 7:9
After seeing [all] these things, I looked and there [I saw] a huge crowd, which no one could count, from every nation, and tribe, and race, and language group standing in front of the throne [of God] and in front of the Lamb. They were dressed in white robes and had palm tree branches in their hands.

General references

John 7:2
Now it was almost time for the Jewish Festival of Tabernacles [Note: This was also called "Festival of Shelters," and was one of three principal, annual Jewish festivals and commemorated the occasion of the Israelites living in tents or shelters during their forty year wandering in the desert].