Darlingtonia californica- botanical retailer drawing a4

I have to offer my own drawing depicting an insectivorous plant - Darlingtonia californica.
The drawing was made on black a4 paper with a weight of 170g with faber-castell polychromos crayon.

Drawing of Darlingtonia californica made on black (170g) paper in a a4 size with faber-castell polychromos pencils. retailer