Warning The original file has a large number of pixels and when opened at full resolution, may either not load properly or cause your browser to freeze. These problems can be avoided by use of the ZoomViewer. : Open in ZoomViewer. Description: Gratiola heterosepala dupl. UC1584586 RSA529995. Date: 21 February 2011, 15:13. Source: Gratiola heterosepala dupl. UC1584586 RSA529995 Uploaded by Magnus Manske. Author: Dean Wm. Taylor.