Kao Pan (Kao Panne) is described in [Hodgson, 1967], pp 536 - 537.Fair flavor, green flesh. (EM Nauer, 12/22/1987)
Large, pyriform, rough rind, medium yellow in color. Very thick rind; yellow flesh, crisp and moderately juicy with good, typical pummelo flavor. Two fruit only this year -- both seedless. (EM Nauer, 1/18/1989)
See note this date on RCRC 2242 accession card. (EM Nauer, 11/13/1989)
This accession was erroneously and redundantly given PI 539358 in 1990. PI 109684 is the correct and original PI. Observations were made while numbered asa PI 539358, as were distributions prior to today. Addiitonal information is available in Reinking and Groff (1921); Groff (1927); Hodgson (1967); and Martin and Cooper (1977). (RR Krueger, 2014/05/27)
Addiitonal information from the Citrus Variety Collection is available here.