Use "rootstock" in a sentence

1. “And then Your Majesty saw a divine messenger coming down from Heaven who chopped down the tree, but left its rootstock standing, banded with rings of iron and copper

2. 3m (2-4ft), branching, with purple-streaked stems, a hollow-chambered rootstock, small 2-3 lobed, toothed leaflets and clusters of tiny white flowers, always found by water