Fl. forming a double triangle, soft golden yellow; perianth segments very broadly ovate, blunt, only very slightly mucronate, a little reflexed, plane, smooth and of good substance, overlapping half; the inner segments more narrowly ovate, spreading or a little inflexed; corona cylindrical, smooth, mouth broadly ribbed, flared, with rim flanged and crenate.
There are no photos of "Portarlington" in Daffseek.