Pure, rendered in cycles.
CarlG: Thanks! It’s non-competing by choice. I see Modron provided the link. Many experiments and Bob-Ross-like “happy accidents” over the years helped renders like these be possible. The idea was to create a visually dualistic scene characterizing explored / unexplored flora while also considering if flowers, for example are indeed truly completely definable via human terms.
Modron: Thanks! Over 2 million vertices there 
Nice entries, everyone!
RobertT