Fls 3 per stem, forming a double triangle, 56mm wide, deep yellow; perianth segments 20mm long, ovate, blunt, with pale mucro, spreading, plane, with margins incurling, smooth and of heavy substance, overlapping half; the inner segments narrower; corona 9mm long, funnel-shaped, smooth, mouth a little expanded, ribbed and wavy, with rim minutely
crenate. Late to very late.

Blend of friend’s name and seed parent.

There are no photos of "Perpetua" in Daffseek.