Perianth segments broadly ovate, blunt, very slightly mucronate, a little inflexed, with margins slightly wavy, overlapping half; the inner segments narrower, more strongly inflexed, somewhat twisted; corona cylindrical, smooth, with rim flanged and crenate.
Silvanite, 1 W-Y, de Graaff Bros., the Netherlands, 1923
Photo #31310 RHS Yearbook, EnglandSilvanite, 1 W-Y, de Graaff Bros., the Netherlands, 1923
Photo #28503 Max Schling Seedsmen Inc., USASilvanite, 1 W-Y, de Graaff Bros., the Netherlands, 1923
Photo #18158 Lillian A. Guernsey, USASilvanite, 1 W-Y, de Graaff Bros., the Netherlands, 1923
Photo #6285 Willis H. Wheeler, USA