scion

noun4

1. •
   A detached shoot or twig containing buds from a woody plant, used in grafting; a shoot or twig in a general sense.

   • He used to think that the plums in this country weren’t good enough, and so he has reformed them, grafting scion to rootstock. — 2020
2. •
   A descendant, especially a first-generation descendant of a distinguished family.

   • It was said to him that those people were the scions of Zion. — 1966
3. •
   The heir to a throne.
4. •
   A guardian.