It seems there might be a slight confusion in the term you've mentioned. "Petty morel" is not a widely recognized term in English, especially in the context of plants. However, I believe you might be referring to "petty" and "morel" as separate words or perhaps "petty" as an adjective used in some contexts related to "morals."
Let’s break down the two words separately:
Definition: The word "petty" is an adjective that describes something that is of little importance or trivial. It can also refer to someone who is concerned with small, insignificant details.
Definition: A "morel" is a type of mushroom that is highly sought after for its culinary uses. It has a distinctive appearance with a honeycomb-like cap.
If you are looking to understand the words "petty" and "morel" independently, focus on their definitions, usage, and contexts as described.