(Gordon Plough, R. 1972). Sdlg. 66-161-18. TB, 36" (91 cm), Midseason late bloom. Fluted black from purple side; beard same with each hair tipped mustard.
64-63-22: ('Study In Black' sib x 'Black Swan') X 'Charcoal' sib. Eden Road 1973.
http://wiki.irises.org/TbFthruJ/TbInterpol