Jamieson, Fausset and Brown on Mark 11:13

13. And seeing a fig tree--(In Mt 21:19, it is "one fig tree," but the sense is the same as here, "a certain fig tree," as in Mt 8:19, &c.). Bethphage, which adjoined Bethany, derives its name from its being a fig region--"House of figs."

afar off having leaves--and therefore promising fruit, which in the case of figs come before the leaves.

he came, if haply he might find any thing thereon: and when he came to it, he found nothing but leaves; for the time of figs was not yet--What the precise import of this explanation is, interpreters are not agreed. Perhaps all that is meant is, that as the proper fig season had not arrived, no fruit would have been expected even of this tree but for the leaves which it had, which were in this case prematurely and unnaturally developed.