Sold as C. grandis sensu Ripley in 1950, imported by Shirley Aquatics in the UK and grown in Canada since then by Charles Drew, the plant has never flowered in over 65 years. One or two are sold at the CAOAC auction in May each year but that's about the only place you'll likely find them in North America. The bear a strong resemblance to the form found west of Dayu in central Kalimantan.