Fl. forming a double triangle, 110mm wide; perianth segments ovate, blunt, mucronate, white, spreading, plane or with margins incurved, creased and of membranaceous substance, overlapping one-third; the inner segments narrower, scarcely mucronate; corona bowl-shaped, ribbed, whitish yellow, with a broad band of stronger yellow2D) at rim and green at base, mouth straight, broadly ribbed and lightly frilled, with rim minutely crenate. Mid-season.

Named for a significant benefactor of the National Trust for Scotland.

There are no photos of "Clovella Mutch" in Daffseek.