White Sentinel
Classification:
2 W-Y[ Large-Cupped ]
Season:
Mid-Season to Late
Height:
Standard - 32.5 to 67.5 cm (12.8 to 26.6 in)
Registered:
Yes, before 1915
Pollen Parent: 
2 W-W seedling
Chromosomes:
28
Fertility:
Both Seed and Pollen fertile
Used as parent:
72 times as seed, 4 times as pollen
Comments

Perianth segments broadly ovate, yellowish white, spreading, with margins incurling, overlapping half; the inner segments a little inflexed, with margins slightly wavy; corona funnel-shaped, lightly ribbed, tinged pale yellow, slightly frilled, rim crenate and sometimes a little flanged. Resembles ‘Mitylene’ but with a yellower cup.