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)