May be the same as Oniji ?

Pink or blue sterile florets with three to four broad sepals.  Blue Fertile florets.

Gardens found in the 28 pre 2000 surveyed: DA ( ) Kwekerji Planten Tuin Esveld (2006)

Gardens found in the 10 surveyed in 2010: DA    ESV

UKPlant Finder 2012: Not Listed.  (listed by Esveld, Boskoop, Holland 2009)