Fl. forming a double triangle, 108 mm wide; perianth segments broadly ovate, light greenish yellow 5D, slightly reflexed, ribbed, overlapping half; the inner segments narrower, with margins wavy; corona cylindrical, slightly ribbed, opening pale chrome yellow, becoming vivid yellow 12A, with rim widely flanged and deeply lobed and crenate.
A description according to deJager’s 1960 catalog: “a remarkable and distinct flower, broad white perianth of much substance standing at right angles to the well flanged neat rather trumpet-like crown, which opens pale chrome-yellow soon passing to a pleasing buff, tall strong stem and deep bluish-green foliage.”
Penvose, 2 Y-Y, Percival D. Williams, England, 1926
Photo #56874 Janet Hickman, USAPenvose, 2 Y-Y, Percival D. Williams, England, 1926
Photo #31305 RHS Yearbook, EnglandPenvose, 2 Y-Y, Percival D. Williams, England, 1926
Photo #29028 Warnaar and Co., the NetherlandsPenvose, 2 Y-Y, Percival D. Williams, England, 1926
Photo #27262 P. de Jager and Sons, the Netherlands