de Graaff Bros., the Netherlands
Year Registered: 1907
Madame de Graaff x Madame de Graaff
White Knight
Section: Ganymedes
N. triandrus subsp. triandrus var. loiseleurii
Fl. facing down; perianth segments broadly ovate, spreading at base, a little reflexed towards apex, twisted or with margins incurved, overlapping one third; corona cylindrical, lightly ribbed, with mouth straight or very slightly flared, even or a little wavy, rim entire.
There are no photos of "Trifle" in Daffseek.