What is the meaning of Jonah 4:6?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

So the LORD God appointed a vine, and it grew up to provide shade over Jonah’s head to ease his discomfort, and Jonah was greatly pleased with the plant.

Berean Standard Bible (BSB)

Yahweh God prepared a vine, and made it to come up over Jonah, that it might be a shade over his head, to deliver him from his discomfort. So Jonah was exceedingly glad because of the vine.

World English Bible (WEB)

And the LORD{H3068} God{H430} prepared{H4487}{(H8762)} a gourd{H7021}, and made it to come up{H5927}{(H8799)} over Jonah{H3124}, that it might be a shadow{H6738} over his head{H7218}, to deliver{H5337}{(H8687)} him from his grief{H7451}. So Jonah{H3124} was exceeding{H1419}{H8057} glad{H8055}{(H8799)} of the gourd{H7021}.

Strong's King James

So יהוה Yahweh God, accounted for a *castor-oil plant, and it grew up over Yonah to be shade over his head, to save him from his evil [misery]. Yonah was extremely happy about this castor-oil plant.

The F.O.G*

*This is a likely classification of this unique plant species only documented in the book of Jonah. Another name can be castor-bean plant.

The F.O.G Paraphrase

And Jehovah God appointeth a gourd, and causeth it to come up over Jonah, to be a shade over his head, to give deliverance to him from his affliction, and Jonah rejoiceth because of the gourd with great joy.

Young's Literal Translation