Fls 1-3 per stem, rarely 4; perianth segments ovate or broadly ovate, blunt, prominently mucronate, spreading or somewhat reflexed, overlapping one-third to a half; the inner segments less noticeably mucronate; corona cup-shaped, loosely ribbed, citron yellow, lightly frilled.
Tweeny, 12 W-Y, Alec Gray, Angleterre, 1950
Photo #43687 Mary Lou Gripshover, Etats-UnisTweeny, 12 W-Y, Alec Gray, Angleterre, 1950
Photo #15591 Ben Blake, Etats-Unis