Writing Question... Cavalry Plants! (Patreon)

Alright. I am working on the side on my wood elemental / city building series. I have hit a big stopping point and figured I'd see if anyone

Alright. I am working on the side on my wood elemental / city building series. I have hit a big stopping point and figured I'd see if anyone has any ideas.

Here's the problem.

Unit required - Cavalry (or cavalry type).

What's the equivalent of a wood elemental cavalry?

The options I can see is:

- fast regenerating plants (so, not faster movement, but the speed comes in regeneration. Kudzu as an example).

- actual moving tree things (so, a fast moving elemental trees, sort of like the moving palm trees from Ecuador). It still won't be as fast as actual cavalry, but might be the equivalent of heavy cavalry where they can sprint/charge.

- elemental mutation of horses? so you have living plant horses? 

Or something else? You guys are weird. Got any other suggestions? Comment below. Preferably within the next few days.

Also, what would you call a nursery for a wood elemental location? Two word answers minimum please. :P