Ballydorn Bulb Farm
See Harrison
Ballydorn Bulb FarmFl. 90 mm wide, deep golden yellow; perianth segments broadly ovate, spreading, smooth; the inner segments narrower and a little inflexed; corona cylindrical, smooth, mouth ribbed and flared, with rim shallowly crenate.
There are no photos of "Tyrella" in Daffseek.