Fls usually 2 per stem; perianth segments ovate, blunt, only very slightly mucronate, milk white, spreading, plane, with margins slightly wavy, overlapping one-third to a half; the inner segments a little inflexed, with margins more distinctly wavy; corona cup-shaped, smoothly 6-angled, shell pink, mouth straight, wavy, obscurely 6-lobed, rim entire.