The leaves, the shoots, the water of vines, and the buds are permitted in orlah and in reva'i, and in [regard to] a nazir, but they are forbidden in an asheirah. R' Yose says: The buds are forbidden, because it is fruit. R' Eliezer says: [If] one curdles [milk] with sap of orlah, it is forbidden. Said R' Yehoshua: I have heard explicitly that [if] one curdles with sap of leaves, [or] with sap of roots, it is permitted; with the sap of unripe fruit, it is forbidden, because they are fruit.

Damaged grapes, grapepits, grapeskins, and their temed; the peels of a pomegranate and its blossom; nutshells, and pits are forbidden in regard to orlah, in [regard to] an asheirah, and in [regard to] a nazir, but are permitted in [regard to] reva'i. And unripe fruits that fall from a tree are all forbidden.

R' Yose says: A branch of orlah may be planted, but a nut of orlah may not be planted, because it is a fruit. And clusters containing date-buds of orlah may not be grafted.

Terumah, and terumas maaser of demai, challah, and bikkurim, are nullified in one hundred and one, and they combine with one another, and one must remove.  Orlah and kilei hakerem are nullified in two hundred and one, and they combine with one another, but one does not need to remove. R' Shimon says: They do not combine. R' Eliezer says: They combine to give flavor, but not to prohibit.