Fl. forming a double triangle, 28mm wide, deep yellow. Perianth segments 10mm long, ovate, blunt, slightly mucronate, spreading, shallowly concave, smooth and of heavy substance, overlapping half; the inner segments more nearly plane; corona 9mm long, cup-shaped, broadly ribbed, mouth wavy and a little expanded, with rim entire. Dwarf. Very early. Sunproof