Caulophyllum thalictroides 3, Blue Cohosh flower

close up of image

Detailed Description

Blue Cohosh. A close up of one of the flowers of Caulophyllum thalictroides. A lovely spring perennial of rich deciduous woodlands. Picture and specimen taken by Helen Lowe Metzman. Howard County, Maryland. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200 USGSBIML Photoshopping Technique: Note that we now have added using the burn tool at 50% opacity set to shadows to clean up the halos that bleed into the black background from "hot" color sections of the picture.


Image Dimensions: 5296 x 3840

Date Taken: