Fl. forming a double triangle, 98 mm wide, facing up; perianth segments very broadly ovate, shouldered at base, lemon yellow, spreading, with margins incurling, smooth and of heavy substance, with midrib showing, overlapping; the inner segments narrower; corona funnel-shaped, smooth, white, with yellow at rim of a slightly deeper tone than the perianth, mouth ribbed and flared, frilled, with rim flanged and dentate. Sweetly scented. Resembles a more deeply colored ‘Rushlight’.

There are no photos of "Nappanee" in Daffseek.