Which plants part possesses polyarch condition of vasuclar bundles with a well developed pith?

Which plants part possesses polyarch condition of vascular bundles with a well developed pith?

Pith is well developed in

Pith is well developed in

Pith is well developed in

Pith is not well developed in

Pith is not well developed in

Roots possess vascular bundles which are ……….

What part of the plant would show the following: Radial vascular bundles Polyarch xylem Well developed pith