BEHEADMENTS III

1)
Behead  me and I'm in a royal family,
Curtail me and I grow on a tree;
Behead and curtail, and in a mirror
You will see what's left of me.

2)
A seed  - three letters in my name,
Take two away, I sound the same.

Answers:

1. PEARL  (EARL, PEAR, EAR) 
2. PEA