I really do not think Petal is a roamer. Yes, you will go into the jungle to help your team or secure resources, but that is not the ideal place for you. On top of not having much resilience and only one active ability for burst damage (with a long cooldown) using your B ability actually creates a ridiculously large visual, as if you needed your position telegraphed while in he jungle. For sure, Petal is great at taking out the miners and/or blasting people in team fights, but you...

Aside from a few misused instances of "it's", this is very well written. While I have never used this hero (though I unlocked him) I appreciate the thoughtful and in-depth look at this play style.

Spamming is always bad. Always. The only thing it will achieve is making your teammate fantasize about breaking all your fingers. Beyond that, you could be better spending your time if you ping once and then resume playing strategically if alive or analyzing the enemy builds and thinking about counters (if dead). Ping once, favor "GO" over "AVOID" by a wide margin. It is much better to tell people what you want them to do than what you want them not to do, just common...