Fl. rounded, 90mm wide; perianth segments 30mm long, roundish, very broad, scarcely mucronate, white, spreading, plane, with margins incurling, with midrib showing, of membranaceous substance, overlapping half; the inner segments narrower; corona 35mm long, funnel-shaped, angled, brilliant greenish yellow 3A, mouth straight, frilled and broadly ribbed, with rim crenate.  Sweetly scented.

Named for the mother of broadcaster and RHS judge Martin Fish.

There are no photos of "Joyce Fish" in Daffseek.