Rashi on TanakhJonah 4

Now it displeased Jonah—He said, “Now the nations will say that I am a false prophet.” [from Pirké d’Rabbi Eliezer ch. 10]

was this not my contention—I know that, if they repent, You will not destroy them, and I will appear to them as a liar.

appointed Heb. וַיְמַן, an expression of preparation. [from Jonathan]

to save him from his discomfort—From the heat of the sun.

kikayon—A plant that grows high with many branches and it affords shade and that is its name.

attacked Heb. וַתַּךְ. The worm attacked the kikayon. Where one would say for masculine וַיַךְ, he struck, he says for feminine וַתַּךְ, she struck.

stilling Heb. חֲרִישִׁית. Our Sages say: When it blows, it silences all the winds because of it, and it is very hot. So does Jonathan render: silencing. [from Gittin 31b]

and he fainted Heb. וַיִּתְעַלָּף, pasmer (pamer), in O.F.

for which you did not toil—with plowing, sowing, or watering.

one night Heb. בִּן-לַיְלָה, lit., one night old, like בֶּן לַיְלָה. It grew only one night.

who do not know etc.—I.e, children.

and many beasts as well—Adult, who have the intelligence of beasts, who do not recognize who created them.