Brimstone
Classification:
1 Y-Y[ Trumpet Long-Cupped ]
Season:
Mid-Season to Late
Height:
Standard - 32.5 to 67.5 cm (12.8 to 26.6 in)
Registered:
Yes, before 1923
Fertility:
Seed fertile
Used as parent:
1 time as seed
Comments

Fl. pale sulphur yellow; perianth segments broadly ovate, only slightly mucronate, spreading, overlapping half; the inner segments narrower, a little inflexed, with margins sometimes incurved or twisted; corona cylindrical, somewhat angled, with rim broadly flanged and deeply and regularly notched.