Pontresina
Classification:
2 W-Y[ Grande coupe ]
Saison:
Mid-Season
Hauteur:
Standard - 32,5 à 67,5 cm
Enregistrés:
Oui, 1958
Parent femelle (semences): 
Green Island 2 W-GWY 
J. Lionel Richardson, Irlande
Année d'enregistrement: 1938
Gracious x Seraglio
Green Island
Parent masculin (pollen): 
Chinese White 3 W-W 
Guy L. Wilson, Irlande du Nord
Année d'enregistrement: 1937
Silver Plane x (Silver Coin x unknown)
Chinese White
Chromosomes:
28
Fertilité:
Graine ou pollen
Utilisé comme parent:
8 fois comme semence, 2 fois comme pollen
Commentaires

Fl. 114 mm wide; perianth segments very broad, not prominently mucronate, pure white, spreading, concave and with margins incurling at apex, smooth, regular, overlapping half; the inner segments narrower, shouldered at base; corona very shallow funnel-shaped or almost disc-shaped, opening pale yellow, soon becoming whitish, with green in tube, mouth deeply split and overlapping, usually 3-lobed, frilled. Resembles ‘Green Island’ in form. Catalog 69: cup of uniform pale primrose.