My stylistic illustration:

 

My botanical line drawing:

 

My reference photo:

 

My practice copy-sketch:

 

Resources I used as inspiration:

• Botany in a Day: The Patterns Method of Plant Identification
• Plant Identification Terminology: An Illustrated Glossary
• The Art of Botanical & Bird Illustration: An artist's guide to drawing and illustrating realistic flora, fauna, and botanical scenes from nature
• Manual of the Vascular Flora of the Carolinas
• Picturing Plants: An Analytical History of Botanical Illustration