Previous Image Next Image May 2015 200 Jack in the Pulpit (Arisaema triphyllum). The plant bears a single flower–a green cup with a hood. The flower can develop stripes of deep color as it ages. North Park, Pennsylvania. May, 2015. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)MoreClick to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Like this:Like Loading...