Perianth segments broadly ovate, not prominently mucronate, spreading or a little inflexed, with margins sometimes wavy, overlapping one-third; the inner segments more narrowly ovate, ribbed, with margins twisted; corona funnel-shaped, with mouth ribbed and widely expanded, rim flanged and irregularly crenate.
White Dame, 1 W-W, Guy L. Wilson, Northern Ireland, 1922
Photo #43568 Albert F. Calvert, England